{
  "tetartohedral":{
    "antonyms":[],
    "definitions":{
      ": having one fourth the number of planes required by complete symmetry \u2014 compare hemihedral , holohedral":[]
    },
    "examples":[],
    "first_known_use":{
      "circa 1858, in the meaning defined above":""
    },
    "history_and_etymology":{
      "Greek tetartos fourth; akin to Greek tettares four \u2014 more at four":""
    },
    "pronounciation":[
      "te-\u02cct\u00e4r-t\u0259-\u02c8h\u0113-dr\u0259l"
    ],
    "synonym_discussion":"",
    "synonyms":[],
    "time_of_retrieval":"20220708-115124",
    "type":[
      "adjective"
    ]
  },
  "tetartohedrism":{
    "antonyms":[],
    "definitions":{
      ": the quality of crystallizing tetartohedrally":[]
    },
    "examples":[],
    "first_known_use":{},
    "history_and_etymology":{
      "tetartohedr al + -ism":""
    },
    "pronounciation":[
      "-\u02c8h\u0113\u02ccdriz\u0259m"
    ],
    "synonym_discussion":"",
    "synonyms":[],
    "time_of_retrieval":"20220708-130539",
    "type":[
      "noun"
    ]
  },
  "tetchy":{
    "antonyms":[
      "thick-skinned"
    ],
    "definitions":{
      ": irritably or peevishly sensitive : touchy":[
        "the tetchy manner of two women living in the same house",
        "\u2014 Elizabeth Taylor \u20201975"
      ]
    },
    "examples":[
      "a morose and tetchy resident of a nursing home",
      "Recent Examples on the Web",
      "During Wednesday\u2019s tetchy question-and-answer session in Parliament, few Conservative lawmakers said Mr. Johnson should be fired. \u2014 Max Colchester, WSJ , 25 May 2022",
      "Diagnosis can be a tetchy subject in neurodiversity. \u2014 Nancy Doyle, Forbes , 31 Jan. 2022",
      "For all the tetchy lockdown sparring in between these scenes, there\u2019s finally something to be said for togetherness. \u2014 Guy Lodge, Variety , 14 Oct. 2021",
      "No wonder Biden is tetchy when asked about the subject. \u2014 Los Angeles Times , 7 July 2021",
      "The travel show in which a tetchy British comedian joins celebrities on jaunts to various international locales",
      "But pursuing less tetchy relations with China, the policy of the KMT for decades, is becoming ever less marketable. \u2014 The Economist , 13 June 2020",
      "Some of the friction \u2014 never mind the crises at hand \u2014 may also stem from tetchy personal relations. \u2014 Los Angeles Times , 25 Apr. 2020",
      "In 2017, parts of Silver Springs State Park had to be shut down because the monkeys were getting tetchy about human visitors. \u2014 Brigit Katz, Smithsonian Magazine , 26 Feb. 2020"
    ],
    "first_known_use":{
      "1596, in the meaning defined above":""
    },
    "history_and_etymology":{
      "perhaps from obsolete tetch habit":""
    },
    "pronounciation":[
      "\u02c8te-ch\u0113"
    ],
    "synonym_discussion":"",
    "synonyms":[
      "huffy",
      "thin-skinned",
      "ticklish",
      "touchy"
    ],
    "time_of_retrieval":"20220707-020321",
    "type":[
      "adjective",
      "adverb",
      "noun"
    ]
  },
  "tetartoconid":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": the posterior medial cusp of a lower molar tooth":[]
    },
    "pronounciation":[
      "t\u0259\u0307\u02cct\u00e4rt\u0259\u02c8k\u014dn\u0259\u0307d"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetartocone, tetarcone + -id":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220708-150000"
  },
  "tetanus":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": an acute infectious bacterial disease characterized by tonic spasm of voluntary muscles especially of the jaw and caused by an exotoxin of a clostridium ( Clostridium tetani ) which is usually introduced through a wound \u2014 compare lockjaw":[],
      ": the bacterium that causes tetanus":[],
      ": prolonged contraction of a muscle resulting from rapidly repeated motor impulses":[]
    },
    "pronounciation":[
      "\u02c8tet-\u1d4an-\u0259s, \u02c8tet-n\u0259s",
      "\u02c8tet-n\u0259s",
      "\u02c8te-t\u0259-n\u0259s"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web",
      "In 16 states, rates for kids entering kindergarten were at least 95 percent for measles shots and for the combination diphtheria, tetanus and whooping cough shot. \u2014 NBC News , 21 Apr. 2022",
      "In 16 states, rates for kids entering kindergarten were at least 95% for measles shots and for the combination diphtheria, tetanus and whooping cough shot. \u2014 Lindsey Tanner, Chicago Tribune , 21 Apr. 2022",
      "On the one hand, tetanus shots can stay durable for over 30 years. \u2014 Dr. Genevieve Yang, ABC News , 3 June 2022",
      "The victims: more than a dozen walkers and bikers, including several who have required urgent medical care, tetanus shots and antibiotics. \u2014 James V. Grimaldi, WSJ , 1 May 2022",
      "National coverage for the MMR (measles, mumps, rubella), DTaP (diphtheria, tetanus , pertussis) and chickenpox vaccines during the 2020-2021 school year fell to about 94 percent, under the 95 percent target. \u2014 Washington Post , 21 Apr. 2022",
      "For example, a typical American by age 90 will have received 14 tetanus doses between their primary series and boosters altogether. \u2014 Bydr. Jay Bhatt Anddr. Atul Nakhasi, ABC News , 7 Apr. 2022",
      "In Michigan, researchers found that the slide in routine vaccination also encompassed adults, who missed out on tetanus , shingles, and pneumonia vaccines. \u2014 Maryn Mckenna, Wired , 2 Mar. 2022",
      "Attorney General Jason Miyares said in an advisory opinion to Governor Glenn Youngkin that the General Assembly could have added Covid-19 to the list of diseases requiring vaccination, like mumps or tetanus . \u2014 Bloomberg.com , 27 Jan. 2022"
    ],
    "history_and_etymology":{
      "Middle English, from Latin, from Greek tetanos , from tetanos stretched, rigid; akin to Greek teinein to stretch \u2014 more at thin":""
    },
    "first_known_use":{
      "14th century, in the meaning defined at sense 1a":""
    },
    "time_of_retrieval":"20220708-215215"
  },
  "tetany":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a condition of physiological calcium imbalance marked by tonic spasm of muscles and often associated with deficient parathyroid secretion":[]
    },
    "pronounciation":[
      "\u02c8te-t\u0259-n\u0113",
      "\u02c8tet-\u1d4an-\u0113, \u02c8tet-n\u0113",
      "\u02c8tet-n\u0113"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web",
      "The veterinarian was at the farm checking the cows for grass tetany . \u2014 Michael M. Phillips, WSJ , 10 June 2021"
    ],
    "history_and_etymology":{
      "International Scientific Vocabulary, from Latin tetanus":""
    },
    "first_known_use":{
      "circa 1885, in the meaning defined above":""
    },
    "time_of_retrieval":"20220708-225550"
  },
  "tetart-":{
    "type":[
      "combining form"
    ],
    "definitions":{
      ": one fourth":[
        "tetarto hedral"
      ]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "International Scientific Vocabulary, from Greek, from tetartos ; akin to Greek tettares, tessares four":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220709-011840"
  },
  "tetartocone":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": the posterior medial cusp of an upper molar tooth":[]
    },
    "pronounciation":[
      "t\u0259\u0307\u02c8t\u00e4rt\u0259\u02cck\u014dn"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetartocone from tetart- + cone; tetarcone contraction of tetartocone":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220709-043101"
  },
  "tetanogenic":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": producing tetanus":[]
    },
    "pronounciation":[
      "\u00a6tet\u1d4an\u0259\u00a6jenik"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetan- + -genic":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220709-051704"
  },
  "tetartemorion":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a small coin struck in Athens and in several small city-states of the ancient Greeks : a quarter obol":[]
    },
    "pronounciation":[
      "t\u0259\u0307\u02cct\u00e4rt\u0259\u02c8m\u014dr\u0113\u02cc\u00e4n",
      "-\u0113\u0259n"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetartemorion from Greek tetart\u0113morion , from tetart\u0113 one fourth (from feminine of tetartos ) + morion part, portion, diminutive of moros part (akin to Greek meros part); tartemorion from Greek tart\u0113morion , short for tetart\u0113morion":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220709-051806"
  },
  "tetanize":{
    "type":[
      "noun",
      "transitive verb",
      "verb"
    ],
    "definitions":{
      ": to induce tetanus in":[
        "tetanize a muscle"
      ]
    },
    "pronounciation":[
      "\u02c8te-t\u0259-\u02ccn\u012bz"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{
      "1849, in the meaning defined above":""
    },
    "time_of_retrieval":"20220709-060922"
  },
  "tetraethyl lead":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a heavy oily poisonous liquid Pb(C 2 H 5 ) 4 used especially formerly as an antiknock agent":[]
    },
    "pronounciation":[
      "\u02ccte-tr\u0259-\u02cce-th\u0259l-\u02c8led",
      "\u02ccte-tr\u0259-\u02cceth-\u0259l-\u02c8led"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web",
      "But humanity didn\u2019t enter uncharted territory until the first gallon of gasoline was sold with tetraethyl lead in 1923. \u2014 Michael J. Coren, Quartz , 16 June 2022",
      "There was tetraethyl lead , used in making gasoline, sludge, asphalt, hydrocarbon liquids and vapors, solvents such as kerosene, acidic residue and asbestos. \u2014 Kaitlin Durbin, cleveland , 4 Apr. 2022",
      "One of the greatest historical sources of lead exposure was the use of tetraethyl lead in petrol at the beginning of the 20th century. \u2014 Anuradha Varanasi, Forbes , 28 Dec. 2021",
      "Frank Howard of Standard Oil argued that tetraethyl lead was diluted at over 1,000 to 1 in gasoline and therefore posed no risk to the average person. \u2014 Bill Kovarik, The Conversation , 8 Dec. 2021",
      "Similarly, several decades later, the introduction of tetraethyl lead into gasoline raised environmental concerns, but was tolerated as a necessary lubricant for the adoption of the internal combustion engine. \u2014 New York Times , 18 June 2018"
    ],
    "history_and_etymology":{},
    "first_known_use":{
      "1923, in the meaning defined above":""
    },
    "time_of_retrieval":"20220709-123543"
  },
  "tetaniform":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": resembling tetanus or tetany":[]
    },
    "pronounciation":[
      "-n\u0259\u02ccf\u022frm"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "International Scientific Vocabulary tetan- + -iform ; originally formed as French t\u00e9taniforme":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220709-153253"
  },
  "Tet":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": the Vietnamese New Year observed during the first several days of the lunar calendar beginning at the second new moon after the winter solstice":[]
    },
    "pronounciation":[
      "\u02c8tet"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "Vietnamese t\u1ebft":""
    },
    "first_known_use":{
      "1885, in the meaning defined above":""
    },
    "time_of_retrieval":"20220709-154551"
  },
  "tetan-":{
    "type":[
      "combining form"
    ],
    "definitions":{
      ": tetanus":[
        "tetano genic",
        "tetan iform"
      ]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from Greek, from tetanos":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220709-203059"
  },
  "tetraethyl orthosilicate":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": ethyl silicate":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220709-232946"
  },
  "tetraethyl":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": containing four ethyl groups in the molecule":[]
    },
    "pronounciation":[
      "\u00a6te\u2027tr\u0259+"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "International Scientific Vocabulary tetra- + ethyl":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220710-011350"
  },
  "tetrahedrite":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a fine-grained gray mineral (Cu,Fe) 12 Sb 4 S 13 that is isomorphous with tennantite, consists of a sulfide of copper, iron, and antimony and often also contains zinc, lead, mercury, or silver, occurs in characteristic tetrahedral crystals and also in massive form, and is often a valuable ore of silver and is also worked for copper (hardness 3\u20134, specific gravity 4.4\u20135.1)":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "German tetra\u00ebdrit , from Late Greek tetraedros having four faces + German -it -ite":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220710-024752"
  },
  "tetraploid":{
    "type":[
      "adjective",
      "noun",
      "noun,"
    ],
    "definitions":{
      ": having or being a chromosome number four times the monoploid number":[
        "a tetraploid cell"
      ],
      ": a tetraploid individual":[]
    },
    "pronounciation":[
      "\u02c8te-tr\u0259-\u02ccpl\u022fid"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web: Adjective",
      "Genomicists think that the ancestors of sturgeons were diploid until all their chromosomes doubled and the fish became tetraploid . \u2014 Quanta Magazine , 5 Aug. 2020",
      "Recent Examples on the Web: Noun",
      "Tetraploids are bred to create larger flowers and denser foliage than normal, and are identified on plant tags when plants are purchased. \u2014 Margaret Lauterbach, idahostatesman , 26 Apr. 2017",
      "Slow-growing hostas include the miniatures, those with a lot of white on the leaves, and the tetraploids (that is, those with four basic sets of chromosomes instead of the usual two, one from each parent). \u2014 Margaret Lauterbach, idahostatesman , 26 Apr. 2017"
    ],
    "history_and_etymology":{
      "International Scientific Vocabulary":"Adjective"
    },
    "first_known_use":{
      "1912, in the meaning defined above":"Adjective",
      "1921, in the meaning defined above":"Noun"
    },
    "time_of_retrieval":"20220710-114311"
  },
  "tetrodotoxin":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a neurotoxin C 11 H 17 N 3 O 8 found especially in puffer fish that blocks nerve conduction by suppressing permeability of the nerve fiber to sodium ions":[]
    },
    "pronounciation":[
      "te-\u02cctr\u014d-d\u0259-\u02c8t\u00e4k-s\u0259n",
      "te-\u02cctr\u014dd-\u0259-\u02c8t\u00e4k-s\u0259n"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web",
      "The toadlets secrete a poison called tetrodotoxin , which is the same poison found in fugo fish, Goutte said. \u2014 Megan Marples, CNN , 28 Apr. 2021",
      "Hammerhead worms produce tetrodotoxin , the same deadly neurotoxin produced by pufferfish. \u2014 Aj Willingham, CNN , 30 Dec. 2020",
      "While the worms do not appear to secrete enough of the toxin through the skin to be considered dangerous, Murphy says to exercise caution, as tetrodotoxin is very dangerous. \u2014 Allen Kim, CNN , 23 Nov. 2020",
      "In the most delicious species, the innards are suffused with the neurotoxin called tetrodotoxin (TTX). \u2014 New York Times , 4 Dec. 2020",
      "The worms produce tetrodotoxin , the same deadly neurotoxin produced by pufferfish, according to a study from Utah State University. \u2014 Allen Kim, CNN , 23 Nov. 2020",
      "Some populations of this common amphibian are covered in a deadly neurotoxin\u2014a compound called tetrodotoxin (TTX) that causes paralysis and is also found in most species of pufferfish as well as the notorious blue-ringed octopus. \u2014 Alex Fox, Smithsonian Magazine , 23 Apr. 2020",
      "Pufferfishes, for example, get their tetrodotoxin from a marine bacterium. \u2014 National Geographic , 7 Jan. 2020",
      "The tetrodotoxin is up to 1,200 times more poisonous than that of cyanide, and can cause deadening of the tongue and lips, dizziness, vomiting, arrhythmia, difficulty breathing, muscle paralysis, and, if left untreated, death. \u2014 Daniel Jameson, Cond\u00e9 Nast Traveler , 19 Sep. 2019"
    ],
    "history_and_etymology":{
      "International Scientific Vocabulary tetrodo- (from New Latin Tetrodon , genus of tropical marine fishes) + toxin":""
    },
    "first_known_use":{
      "1911, in the meaning defined above":""
    },
    "time_of_retrieval":"20220710-114716"
  },
  "tetrolic acid":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a crystalline acetylenic acid CH 3 C\u2261CCOOH obtained synthetically; methyl-propiolic acid":[]
    },
    "pronounciation":[
      "-tr\u014dl-",
      "te\u2027\u02c8tr\u00e4lik-"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "International Scientific Vocabulary tetra- + -ol + -ic":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220710-153020"
  },
  "tetrahedron":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a polyhedron that has four faces":[]
    },
    "pronounciation":[
      "\u02ccte-tr\u0259-\u02c8h\u0113-dr\u0259n"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web",
      "If the regular tetrahedron doesn\u2019t tile space, the question becomes: Do any tetrahedra? \u2014 Quanta Magazine , 9 Feb. 2021",
      "Triangles and tetrahedra are examples of more general shapes called simplices, which can be defined in any dimension. \u2014 Quanta Magazine , 13 Jan. 2015",
      "That extraordinary hardness arises from a strong and inflexible structure: Five atoms form a tetrahedron and share electron pairs with each other. 3. \u2014 Gemma Tarlach, Discover Magazine , 23 Mar. 2018",
      "With eight modules of tetrahedrons (triangular pyramids) made of translucent polyethelene and aluminum tubes that billow out from a symmetrical axis, the piece feels both organic and machinelike. \u2014 Molly Glentzer, Houston Chronicle , 10 Jan. 2018",
      "They are defined by symmetry, and the Greeks knew that there were only five possibilities meeting the criteria: the tetrahedron , cube, octahedron, dodecahedron and icosahedron. \u2014 Eugenia Cheng, WSJ , 10 Aug. 2017",
      "The new metropolis would consist of a giant tetrahedron \u2014a pyramid made of equilateral triangles\u2014a shape that Fuller, the popularizer of the geodesic dome, admired for its stability and symmetry. \u2014 Rachel Riederer, New Republic , 29 May 2017",
      "As Mars cooled internally and shrank, some faces of the martian tetrahedron slumped. \u2014 David S. F. Portree, WIRED , 8 May 2012"
    ],
    "history_and_etymology":{
      "New Latin, from Late Greek tetraedron , neuter of tetraedros having four faces, from Greek tetra- + hedra seat, face \u2014 more at sit":""
    },
    "first_known_use":{
      "1570, in the meaning defined above":""
    },
    "time_of_retrieval":"20220710-172124"
  },
  "tetronic acid":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a crystalline enolic lactone C 4 H 4 O 3 that has acidic properties and is the parent compound of acidic compounds obtained by the fermenting action of a mold ( Penicillium charlesii ) from spoiled corn":[]
    },
    "pronounciation":[
      "te\u2027\u02c8tr\u00e4nik-"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "International Scientific Vocabulary tetron- (from tetra- + connective -on- ) + -ic":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220710-181430"
  },
  "tetrahexahedral":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": of, relating to, or being a tetrahexahedron":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin tetrahexahedr on + English -al":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220710-195614"
  },
  "tetryl":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a pale yellow crystalline explosive C 7 H 5 N 5 O 8 used especially as a detonator":[]
    },
    "pronounciation":[
      "\u02c8te-tr\u0259l"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "International Scientific Vocabulary":""
    },
    "first_known_use":{
      "1909, in the meaning defined above":""
    },
    "time_of_retrieval":"20220710-211846"
  },
  "tetrafluoride":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a fluoride containing four atoms of fluorine":[]
    },
    "pronounciation":[
      "\u02ccte-tr\u0259-\u02c8fl\u022fr-\u02cc\u012bd",
      "-\u02c8flu\u0307r-"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web",
      "Green Salt was a small-scale way of producing tetrafluoride , an intermediate step in the process of producing feed material for uranium enrichment. \u2014 Laurence Norman, WSJ , 25 May 2022",
      "In 2005, Iran acknowledged converting yellowcake into uranium tetrafluoride , a step below the uranium hexafluoride needed for centrifuges. \u2014 The Christian Science Monitor , 28 June 2018"
    ],
    "history_and_etymology":{},
    "first_known_use":{
      "circa 1909, in the meaning defined above":""
    },
    "time_of_retrieval":"20220710-213331"
  },
  "tetanic":{
    "type":[
      "adjective",
      "adverb"
    ],
    "definitions":{
      ": of, relating to, being, or tending to produce tetany or tetanus":[]
    },
    "pronounciation":[
      "te-\u02c8ta-nik",
      "te-\u02c8tan-ik"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{
      "circa 1727, in the meaning defined above":""
    },
    "time_of_retrieval":"20220710-213457"
  },
  "tetraethoxysilane":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": ethyl silicate":[]
    },
    "pronounciation":[
      "\u00a6te\u2027tr\u0259\u02cce\u00a6th\u00e4ks\u0113+"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetra- + eth- + oxy- + silane":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220710-232830"
  },
  "tetrapla":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a polyglot book with four texts in parallel columns \u2014 compare hexapla , octapla":[]
    },
    "pronounciation":[
      "\u02c8te\u2027tr\u0259pl\u0259"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from neuter plural of Greek tetraplous, tetraploos fourfold, from tetra- + -plous, -ploos -fold (as in diploos twofold, double)":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220711-001720"
  },
  "tetroxide":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a compound of an element or group with four atoms of oxygen":[]
    },
    "pronounciation":[
      "te-\u02c8tr\u00e4k-\u02ccs\u012bd"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web",
      "With this modernized upper stage, Russian officials hoped to move away from the toxic propellants\u2014dinitrogen tetroxide and hydrazine\u2014that power the Briz-M upper stage. \u2014 Eric Berger, Ars Technica , 4 Jan. 2022",
      "But highly oxidizing non-fossil chemical fuels, like liquid oxygen, liquid hydrogen or dinitrogen tetroxide combined with hydrazine are even more expensive, a bit dangerous to use and needed for rocket fuel. \u2014 James Conca, Forbes , 6 Dec. 2021",
      "To maneuver, Cassini carefully places monomethyl hydrazine in contact with nitrogen tetroxide , which spontaneously oxidizes (burns) it. \u2014 Dave Brody Executive Producer, Fox News , 19 July 2017",
      "During final approach to the Workshop, one of the steering thruster quads on the CSM began to leak nitrogen tetroxide oxidizer. \u2014 David S. F. Portree, WIRED , 10 July 2012"
    ],
    "history_and_etymology":{
      "International Scientific Vocabulary":""
    },
    "first_known_use":{
      "1863, in the meaning defined above":""
    },
    "time_of_retrieval":"20220711-004202"
  },
  "tetrahedral":{
    "type":[
      "adjective",
      "adverb"
    ],
    "definitions":{
      ": being a polyhedral angle with four faces":[],
      ": relating to, forming, or having the form of a tetrahedron":[]
    },
    "pronounciation":[
      "\u02ccte-tr\u0259-\u02c8h\u0113-dr\u0259l"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web",
      "In 1951 Ruben Rausing backed an invention by the engineer Erik Wallenberg: a tetrahedral paper tube that would allow liquids to be sealed inside without any oxygen and be preserved for longer. \u2014 Amie Tsang, New York Times , 6 Sep. 2019",
      "The breakthrough came when a friend gave him a cheap tetrahedral kite. \u2014 Joshua Davis, WIRED , 1 June 2003"
    ],
    "history_and_etymology":{},
    "first_known_use":{
      "1794, in the meaning defined at sense 1":""
    },
    "time_of_retrieval":"20220711-005529"
  },
  "tetradynamous":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": having six stamens four of which are longer than the others":[
        "the Cruciferae are tetradynamous"
      ]
    },
    "pronounciation":[
      "-din-"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "International Scientific Vocabulary tetradynam- (from tetra- + Greek dynamis power) + -ous":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220711-014704"
  },
  "tetrahexahedron":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a form of the isometric system bounded by 24 congruent isosceles-triangular faces with four to each face of the cube":[]
    },
    "pronounciation":[
      "\u00a6te\u2027tr\u0259+"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from tetra- + hexahedron":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220711-040642"
  },
  "tetragynous":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": having four pistils or carpels":[]
    },
    "pronounciation":[
      "-\u00a6g\u012b-"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetra- + -gynous":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220711-041557"
  },
  "tetter":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": any of various vesicular skin diseases (such as ringworm, eczema, and herpes)":[]
    },
    "pronounciation":[
      "\u02c8te-t\u0259r"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "Middle English teter , from Old English; akin to Old High German zittaroh tetter, Sanskrit dadru leprosy, d\u1e5b\u1e47\u0101ti he tears \u2014 more at tear entry 1":""
    },
    "first_known_use":{
      "before the 12th century, in the meaning defined above":""
    },
    "time_of_retrieval":"20220711-052226"
  },
  "tetrachloroethane":{
    "type":[
      "noun"
    ],
    "definitions":{},
    "pronounciation":[
      "\"+"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "International Scientific Vocabulary tetrachlor- + ethane":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220711-092746"
  },
  "tetragrammaton":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": the four Hebrew letters usually transliterated YHWH or JHVH that form a biblical proper name of God \u2014 compare yahweh":[]
    },
    "pronounciation":[
      "\u02ccte-tr\u0259-\u02c8gra-m\u0259-\u02cct\u00e4n"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web",
      "In fact, many occultists believe that the appearance of 11:11 is connected to the tetragrammaton \u2014 the unpronounceable four-letter name for the God of Israel. \u2014 Aliza Kelly Faragher, Allure , 10 Apr. 2020"
    ],
    "history_and_etymology":{
      "Middle English, from Late Latin, from Greek, from neuter of tetragrammatos having four letters, from tetra- + grammat-, gramma letter \u2014 more at gram":""
    },
    "first_known_use":{
      "15th century, in the meaning defined above":""
    },
    "time_of_retrieval":"20220711-102124"
  },
  "tetrahydr-":{
    "type":[
      "combining form"
    ],
    "definitions":{
      ": combined with four atoms of hydrogen":[
        "\u2014 in names of chemical compounds tetrahydr ide tetrahydro naphthalene"
      ]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "International Scientific Vocabulary tetra- + hydr-":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220711-105648"
  },
  "tetrafossate":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": having four bothridia":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetra- + fossate":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220711-110048"
  },
  "tetrachord":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a diatonic series of four tones with an interval of a perfect fourth between the first and last":[]
    },
    "pronounciation":[
      "\u02c8te-tr\u0259-\u02cck\u022frd"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "Greek tetrachordon , from neuter of tetrachordos of four strings, from tetra- + chord\u0113 string \u2014 more at yarn":""
    },
    "first_known_use":{
      "1603, in the meaning defined above":""
    },
    "time_of_retrieval":"20220711-112635"
  },
  "tetra-":{
    "type":[
      "combining form",
      "noun"
    ],
    "definitions":{
      ": any of numerous small often brightly colored South American characin fishes often bred in tropical aquariums":[],
      ": four : having four : having four parts":[
        "tetra valent"
      ],
      ": containing four atoms or groups (of a specified kind)":[
        "tetra chloride"
      ]
    },
    "pronounciation":[
      "\u02c8te-tr\u0259"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web: Noun",
      "Because cavefish have evolved to live in an oxygen deficient environment, researchers weren't surprised to find that embryonic specimen exhibited more gene markers for hypoxia in comparison to the Mexican tetra . \u2014 Daisy Hernandez, Popular Mechanics , 11 June 2020",
      "Jio\u2019s milk tetra packs were puffed and dirty like someone picked them up from the mud and put them directly in the bag. \u2014 Ananya Bhattacharya, Quartz India , 3 June 2020",
      "Like Mendez, who was born with an extremely rare condition called tetra -amelia syndrome, Perrino faces a multitude of challenges every day. \u2014 BostonGlobe.com , 24 Sep. 2019",
      "Rob Mendez was born with tetra -amelia syndrome Nothing has ever gotten in the way of Rob Mendez and his dreams. \u2014 Lindsay Kimble, PEOPLE.com , 28 Aug. 2019",
      "Mendez, as introduced in a 2016 story by this news organization, was born with tetra -amelia syndrome. \u2014 Gary Peterson, The Mercury News , 11 July 2019",
      "Mendez was born with the rare disorder tetra -amelia syndrome and was unable to play football growing up despite his passion for the sport. \u2014 Alaa Abdeldaiem, SI.com , 19 June 2019",
      "Mendez was born with the rare tetra -amelia syndrome, which caused him to be born without arms or legs. \u2014 Jon Becker, The Mercury News , 18 June 2019",
      "The queue doubles as an aquarium, and riders follow a twisting route through tanks filled with angelfish, tetras , seahorses, an octopus and seven varieties of rays. \u2014 Lauren Weber, WSJ , 14 June 2019"
    ],
    "history_and_etymology":{
      "by shortening from New Latin Tetragonopterus , former genus name, from Late Latin tetragonum quadrangle + Greek pteron wing \u2014 more at tetragonal , feather":"Noun",
      "New Latin, from Greek; akin to Greek tettares four \u2014 more at four":"Combining form"
    },
    "first_known_use":{
      "1931, in the meaning defined above":"Noun"
    },
    "time_of_retrieval":"20220711-114303"
  },
  "tetrachoric":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": of, relating to, or being a method of statistical correlation between variables that do not admit of exact measurement":[]
    },
    "pronounciation":[
      "\u00a6te\u2027tr\u0259\u00a6k\u014drik"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetra- + chori- + -ic ; from the correlation involving a fourfold table":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220711-115942"
  },
  "Tetovo":{
    "type":[
      "geographical name"
    ],
    "definitions":{
      "city in northwestern North Macedonia south of the border with Kosovo population 73,000":[]
    },
    "pronounciation":[
      "\u02c8te-t\u022f-v\u022f"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220711-122757"
  },
  "tetrafunctional":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": of, relating to, or being a compound whose molecules have four sites that are highly reactive (as in polymerization)":[]
    },
    "pronounciation":[
      "\u00a6te\u2027tr\u0259+"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetra- + functional":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220711-125704"
  },
  "tetrachotomous":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": regularly dividing by fours : having a quadruple arrangement":[
        "tetrachotomous peduncles"
      ]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "Greek tetracha in four parts (from tetra- + -cha , as in dicha in two) + English -tomous (as in dichotomous )":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220711-125818"
  },
  "tetragenous":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": growing in square groups of four":[
        "tetragenous bacteria"
      ]
    },
    "pronounciation":[
      "t\u0259\u0307\u2027\u02c8tr\u0227j\u0259n\u0259s"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetra- + -genous":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220711-132042"
  },
  "tetrahedral kite":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a kite shaped like a tetrahedron":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220711-132513"
  },
  "tetanal":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": of, relating to, or derived from tetanus":[]
    },
    "pronounciation":[
      "\u02c8te-t\u0259-n\u0259l",
      "\u02c8tet-\u1d4an-\u0259l"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{
      "1939, in the meaning defined above":""
    },
    "time_of_retrieval":"20220711-135049"
  },
  "tetraphyllidean":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": tetraphyllid":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin Tetraphyllidea + English -an":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220711-142047"
  },
  "tetrahydric":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": tetrahydroxy":[
        "\u2014 used especially of alcohols and phenols"
      ]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "International Scientific Vocabulary tetra- + -hydric":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220711-144407"
  },
  "tetrahydroxy":{
    "type":[
      "adjective",
      "combining form"
    ],
    "definitions":{
      ": containing four hydroxyl groups in the molecule":[],
      ": containing four hydroxyl groups":[
        "\u2014 in names of chemical compounds tetrahydroxy anthraquinone"
      ]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetrahydroxy-":"Adjective",
      "International Scientific Vocabulary tetra- + hydroxy-":"Combining form"
    },
    "first_known_use":{},
    "time_of_retrieval":"20220711-152004"
  },
  "tetragraph":{
    "type":[
      "adjective",
      "noun"
    ],
    "definitions":{
      ": a cluster of four successive letters in cryptography":[]
    },
    "pronounciation":[
      "\u02c8te\u2027tr\u0259\u02ccgraf"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetra- + -graph":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220711-154543"
  },
  "tetradynamious":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": tetradynamian":[]
    },
    "pronounciation":[
      "-m\u0113\u0259s"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin Tetradynamia + English -ous":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220711-154852"
  },
  "tetterwort":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a plant used to treat tetter : such as":[],
      ": celandine":[],
      ": bloodroot":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "Middle English teterwort , from tetere tetter + wort":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220711-155001"
  },
  "tetra":{
    "type":[
      "combining form",
      "noun"
    ],
    "definitions":{
      ": any of numerous small often brightly colored South American characin fishes often bred in tropical aquariums":[],
      ": four : having four : having four parts":[
        "tetra valent"
      ],
      ": containing four atoms or groups (of a specified kind)":[
        "tetra chloride"
      ]
    },
    "pronounciation":[
      "\u02c8te-tr\u0259"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web: Noun",
      "Because cavefish have evolved to live in an oxygen deficient environment, researchers weren't surprised to find that embryonic specimen exhibited more gene markers for hypoxia in comparison to the Mexican tetra . \u2014 Daisy Hernandez, Popular Mechanics , 11 June 2020",
      "Jio\u2019s milk tetra packs were puffed and dirty like someone picked them up from the mud and put them directly in the bag. \u2014 Ananya Bhattacharya, Quartz India , 3 June 2020",
      "Like Mendez, who was born with an extremely rare condition called tetra -amelia syndrome, Perrino faces a multitude of challenges every day. \u2014 BostonGlobe.com , 24 Sep. 2019",
      "Rob Mendez was born with tetra -amelia syndrome Nothing has ever gotten in the way of Rob Mendez and his dreams. \u2014 Lindsay Kimble, PEOPLE.com , 28 Aug. 2019",
      "Mendez, as introduced in a 2016 story by this news organization, was born with tetra -amelia syndrome. \u2014 Gary Peterson, The Mercury News , 11 July 2019",
      "Mendez was born with the rare disorder tetra -amelia syndrome and was unable to play football growing up despite his passion for the sport. \u2014 Alaa Abdeldaiem, SI.com , 19 June 2019",
      "Mendez was born with the rare tetra -amelia syndrome, which caused him to be born without arms or legs. \u2014 Jon Becker, The Mercury News , 18 June 2019",
      "The queue doubles as an aquarium, and riders follow a twisting route through tanks filled with angelfish, tetras , seahorses, an octopus and seven varieties of rays. \u2014 Lauren Weber, WSJ , 14 June 2019"
    ],
    "history_and_etymology":{
      "by shortening from New Latin Tetragonopterus , former genus name, from Late Latin tetragonum quadrangle + Greek pteron wing \u2014 more at tetragonal , feather":"Noun",
      "New Latin, from Greek; akin to Greek tettares four \u2014 more at four":"Combining form"
    },
    "first_known_use":{
      "1931, in the meaning defined above":"Noun"
    },
    "time_of_retrieval":"20220711-160314"
  },
  "Tettigellidae":{
    "type":[
      "plural noun"
    ],
    "definitions":{
      ": a family of insects (suborder Homoptera) consisting of the true leafhoppers \u2014 compare jassidae":[]
    },
    "pronounciation":[
      "\u02cctet\u0259\u02c8jel\u0259\u02ccd\u0113"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from Tettigella , type genus (from Greek tettig-, tettix cicada + Latin -ella ) + -idae":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220711-160542"
  },
  "tetrachloro":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": containing four atoms of chlorine":[]
    },
    "pronounciation":[
      "\u00a6te\u2027tr\u0259\u00a6kl\u014dr(\u02cc)\u014d",
      "-\u022f(\u02cc)r\u014d"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetrachlor-":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220711-161612"
  },
  "Teton Range":{
    "type":[
      "geographical name"
    ],
    "definitions":{
      "mountain range in northwestern Wyoming extending from Yellowstone National Park in the north to Grand Teton National Park in the south \u2014 see grand teton":[]
    },
    "pronounciation":[
      "\u02c8t\u0113-t\u1d4an",
      "\u02c8t\u0113-\u02cct\u00e4n"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220711-165459"
  },
  "tetrastyle":{
    "type":[
      "adjective",
      "noun"
    ],
    "definitions":{
      ": a building or portico having four columns in front":[],
      ": marked by columniation with four columns across the front \u2014 compare distyle":[]
    },
    "pronounciation":[
      "\u02c8te\u2027tr\u0259\u02ccst\u012bl",
      "\""
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "Late Latin tetrastylon , from Latin, neuter of tetrastylos having four pillars, from Greek, from tetra- + stylos pillar":"Noun"
    },
    "first_known_use":{},
    "time_of_retrieval":"20220711-170023"
  },
  "tetrahydride":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a binary compound of an element or radical with four atoms of hydrogen":[]
    },
    "pronounciation":[
      "-dr\u0259\u0307d"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetrahydr- + -ide":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220711-171826"
  },
  "tetrasubstituted":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": having four substituent atoms or groups in the molecule":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetra- + substituted":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220711-180005"
  },
  "tetrapod":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a vertebrate (such as an amphibian, a bird, or a mammal) with two pairs of limbs":[]
    },
    "pronounciation":[
      "\u02c8te-tr\u0259-\u02ccp\u00e4d"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web",
      "The exact species and classification have yet to be determined, but the fossil is a tetrapod -- meaning animal with four legs -- and could be an early ancestor of either reptiles or mammals. \u2014 Sherry Liang, CNN , 5 Nov. 2021",
      "This fossil appears to be an early amniote, which is a land-living vertebrate that lays eggs, according to Adam Huttenlocker, an outside specialist on the team who researches early tetrapod fossils and is an assistant professor at USC. \u2014 Sherry Liang, CNN , 5 Nov. 2021",
      "Previous research had shown that HoxD13 is active in the developing tetrapod limb when the wrists and digits form. \u2014 John A. Long, Scientific American , 20 May 2020",
      "This gave rise to the tetrapods , or four-limbed vertebrates, that included dinosaurs, land animals and eventually humans. \u2014 Ashley Strickland, CNN , 18 Mar. 2020",
      "This tetrapod , dubbed Parmastega aelidae, looked similar to a crocodile, except its protruding eyes were on top of its head. \u2014 Ashley Strickland, CNN , 23 Oct. 2019",
      "When this tetrapod was alive, neither threat existed yet. \u2014 Ashley Strickland, CNN , 23 Oct. 2019",
      "Here\u2019s an unorthodox solution to slippery soap: Shape it like a tetrapod . \u2014 Liz Stinson, Curbed , 22 May 2018",
      "Dasen and his colleagues also looked at a genetic transcription factor called Foxp1, located at the spinal cord in tetrapods . \u2014 Lorraine Boissoneault, Smithsonian , 9 Feb. 2018"
    ],
    "history_and_etymology":{
      "New Latin tetrapodus , from Greek tetrapod-, tetrapous four-footed, from tetra- + pod-, pous foot \u2014 more at foot":""
    },
    "first_known_use":{
      "circa 1891, in the meaning defined above":""
    },
    "time_of_retrieval":"20220715-091557"
  },
  "tetrahydridoborate":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": borohydride":[
        "\u2014 used in the system of nomenclature adopted by the International Union of Pure and Applied Chemistry"
      ]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetrahydride + -o- + borate":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220711-181320"
  },
  "tetragonal system":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a crystal system characterized by three axes at right angles of which only the two lateral axes are equal":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{
      "1879, in the meaning defined above":""
    },
    "time_of_retrieval":"20220711-182026"
  },
  "tetrachloride":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a chloride containing four atoms of chlorine":[]
    },
    "pronounciation":[
      "\u02ccte-tr\u0259-\u02c8kl\u014d(\u0259)r-\u02cc\u012bd, -\u02c8kl\u022f(\u0259)r-",
      "\u02ccte-tr\u0259-\u02c8kl\u022fr-\u02cc\u012bd"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web",
      "According to one particularly useful YouTube commenter, the substance is probably titanium tetrachloride . \u2014 Kyle Mizokami, Popular Mechanics , 5 Oct. 2020",
      "The smoke screen is likely made from titanium tetrachloride , a corrosive liquid that reacts with air moisture. \u2014 Kyle Mizokami, Popular Mechanics , 5 Oct. 2020",
      "Most forms of radar and infrared sensors can see straight through conventional smoke, though how imaging infrared cameras would perceive a titanium tetrachloride smokescreen is unknown. \u2014 Kyle Mizokami, Popular Mechanics , 5 Oct. 2020"
    ],
    "history_and_etymology":{},
    "first_known_use":{
      "1866, in the meaning defined above":""
    },
    "time_of_retrieval":"20220711-182448"
  },
  "tetrachlor-":{
    "type":[
      "combining form"
    ],
    "definitions":{
      ": containing four atoms of chlorine":[
        "\u2014 in names of chemical compounds tetrachloro phthalic anhydride"
      ],
      "\u2014 compare chlor-":[
        "\u2014 in names of chemical compounds tetrachloro phthalic anhydride"
      ]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "International Scientific Vocabulary tetra- + chlor-":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220711-194350"
  },
  "tetrastoon":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a courtyard enclosed by four porticoes":[]
    },
    "pronounciation":[
      "te\u2027\u02c8trast\u0259\u02ccw\u00e4n",
      "\u02ccte\u2027tr\u0259\u02c8st\u014d\u02cc\u00e4n"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "Greek, from neuter of tetrastoos having four porticoes, from tetra- + stoa portico":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220711-200713"
  },
  "Tetrapoda":{
    "type":[
      "plural noun"
    ],
    "definitions":{
      ": a division of butterflies including those with only two pairs of perfect legs":[],
      ": a division of vertebrates including all forms above fishes":[]
    },
    "pronounciation":[
      "te\u2027\u02c8trap\u0259d\u0259",
      "\""
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from neuter plural of Greek tetrapodos four-footed, from tetrapod-, tetrapous":"Plural noun",
      "New Latin, from Greek, neuter plural":"Plural noun"
    },
    "first_known_use":{},
    "time_of_retrieval":"20220711-201542"
  },
  "tetragynian":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": of or relating to the Tetragynia":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin Tetragynia + English -an":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220711-202815"
  },
  "Tetracerus":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a genus of Asiatic ruminant mammals consisting of the four-horned antelope of India":[]
    },
    "pronounciation":[
      "t\u0259\u0307\u2027\u02c8tras\u0259r\u0259s"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from tetra- + -cerus":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220711-203115"
  },
  "tetradynamian":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": of or relating to the Tetradynamia":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin Tetradynamia + English -an":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220711-210238"
  },
  "tetrahydro":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": combined with four atoms of hydrogen":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetrahydr-":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220711-210913"
  },
  "tetroxalate":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a complex acid oxalate (as potassium tetroxalate) made by adding one equivalent of base to four equivalents of oxalic acid":[]
    },
    "pronounciation":[
      "te\u2027\u02c8tr\u00e4ks\u0259\u02ccl\u0101t"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetra- + oxalate":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220711-211105"
  },
  "tetrasulfide":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a binary compound of an element or radical with four atoms of sulfur":[]
    },
    "pronounciation":[
      "\"+"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetra- + sulfide":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220711-212951"
  },
  "tetrahydrobenzene":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": cyclohexene":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetrahydr- + benzene":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220711-213328"
  },
  "tetragram":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a word of four letters : tetragrammation":[]
    },
    "pronounciation":[
      "-raa(\u0259)m",
      "\u02c8te\u2027tr\u0259\u02ccgram"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "Middle Greek tetragrammon , from neuter of Late Greek tetragrammos having four letters, from Greek tetra- + -grammos (from gramma letter)":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220711-214042"
  },
  "tetracene":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a yellow solid compound (H 3 N 2 C)NHNHN=N(CN 2 H 2 )NHNO made by reaction of amino-guanidine and nitrous acid and used as an explosive in priming compositions for cartridges and in combination with lead azide to reduce the flash point of the latter":[]
    },
    "pronounciation":[
      "\u02c8te\u2027tr\u0259\u02ccs\u0113n"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "alteration of tetrazene":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220711-220803"
  },
  "tetrasyllabic":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": having four syllables":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "Greek tetrasyllab os (from tetra- + -syllabos , from syllab\u0113 syllable) + English -ic or -ical":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220711-223413"
  },
  "Tetragynia":{
    "type":[
      "plural noun"
    ],
    "definitions":{
      ": a class of higher plants comprising those with four styles or pistils":[]
    },
    "pronounciation":[
      "-\u02c8jin\u0113\u0259"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from tetra- + -gynia":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220711-223629"
  },
  "tetrahedral angle":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a polyhedral angle of four faces":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220711-233410"
  },
  "tetragonal":{
    "type":[
      "adjective",
      "adverb"
    ],
    "definitions":{
      ": of, relating to, or characteristic of the tetragonal system":[]
    },
    "pronounciation":[
      "te-\u02c8tra-g\u0259-n\u1d4al"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web",
      "The technicolor models are made of a pure ceramic called tetragonal zirconia polycrystal, which contains 95% zirconia. \u2014 Carol Besler, Robb Report , 14 July 2021"
    ],
    "history_and_etymology":{
      "Late Latin tetragonalis having four angles and four sides, from tetragonum quadrangle, from Greek tetrag\u014dnon , from neuter of tetrag\u014dnos tetragonal, from tetra- + g\u014dnia angle \u2014 more at -gon":""
    },
    "first_known_use":{
      "1868, in the meaning defined above":""
    },
    "time_of_retrieval":"20220711-234730"
  },
  "tetrahymena":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": any of a genus ( Tetrahymena ) of ciliate protozoans":[]
    },
    "pronounciation":[
      "-\u02c8h\u012b-m\u0259-n\u0259",
      "\u02ccte-tr\u0259-\u02c8h\u012b-m\u0259-n\u0259"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from tetra- + Greek hym\u0113n membrane":""
    },
    "first_known_use":{
      "1962, in the meaning defined above":""
    },
    "time_of_retrieval":"20220711-234750"
  },
  "tetrahydroborate":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": borohydride":[]
    },
    "pronounciation":[
      "\"+"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetrahydr- + borate":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-002915"
  },
  "tetratheism":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a doctrine that there are three persons in the Godhead and a divine essence constituting their common origin and that is interpreted as being a belief in four Gods":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetra- + -theism":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-004044"
  },
  "tetrahydrocannabinol":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": thc":[
        "\u2026 more and more people are advocating for increased research into cannabis. Today, tetrahydrocannabinol (THC) is used in the medical field to deal with certain types of pain, muscle cramps, dizziness and loss of appetite.",
        "\u2014 Indian Agriculture News",
        "\u2026 gummy bears infused with THC, or tetrahydrocannabinol , the main psychoactive ingredient in pot.",
        "\u2014 Marshall Allen"
      ]
    },
    "pronounciation":[
      "\u02ccte-tr\u0259-\u02cch\u012b-dr\u0259-k\u0259-\u02c8na-b\u0259-\u02ccn\u022fl",
      "-\u02ccn\u014dl",
      "-k\u0259-\u02c8nab-\u0259-\u02ccn\u022fl"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web",
      "This includes a small amount of THC ( tetrahydrocannabinol ), the psychoactive compound that gives marijuana its high. \u2014 The Salt Lake Tribune , 24 May 2022",
      "Phaphon: The whole book was a challenge for our translators, but definitely the long form of the cannabinoids like THC \u2014 tetrahydrocannabinol \u2014 were challenging. \u2014 Adam Tschorn, Los Angeles Times , 17 May 2022",
      "This is because full spectrum CBD oil contains all of the plant\u2019s natural cannabinoids, including cannabidiol (CBD) and tetrahydrocannabinol (THC). \u2014 The Salt Lake Tribune , 12 May 2022",
      "Those three letters stand for tetrahydrocannabinol , the part of the marijuana plant that makes people high. \u2014 Sandee Lamotte, CNN , 19 Apr. 2022",
      "The Gold Bee full-spectrum CBD gummies, like Royal CBD, contain 25 milligrams of cannabidiol and 2 milligrams of tetrahydrocannabinol . \u2014 The Salt Lake Tribune , 10 May 2022",
      "The hospital confirmed each child had been exposed to tetrahydrocannabinol , the main psychoactive compound in cannabis. \u2014 Andrew Mark Miller, Fox News , 16 Apr. 2022",
      "The Gold Bee full-spectrum CBD gummies, like Royal CBD, contain 25 mg of cannabidiol and 2 mg of tetrahydrocannabinol . \u2014 The Salt Lake Tribune , 8 May 2022",
      "There are about 80 to 100 cannabinoids in the cannabis plant, with tetrahydrocannabinol (THC) and cannabidiol (CBD) being the main two, according to the Alcohol and Drug Foundation. \u2014 Sudiksha Kochi, USA TODAY , 10 Feb. 2022"
    ],
    "history_and_etymology":{
      "tetrahydro- (combined with four atoms of hydrogen) + cannabin + -ol entry 1":""
    },
    "first_known_use":{
      "1940, in the meaning defined above":""
    },
    "time_of_retrieval":"20220712-004533"
  },
  "tetrathionate":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a salt of tetrathionic acid":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "International Scientific Vocabulary tetrathion- (in tetrathionic acid ) + -ate":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-011746"
  },
  "tettigoniid":{
    "type":[
      "adjective",
      "noun"
    ],
    "definitions":{
      ": of or relating to the Tettigoniidae":[],
      ": an insect of the family Tettigoniidae : long-horned grasshopper":[]
    },
    "pronounciation":[
      "\"",
      "\u00a6tet\u0259\u00a6g\u014dn\u0113\u0259\u0307d"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin Tettigoniidae":"Adjective"
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-014744"
  },
  "tetracarboxylic":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": containing four carboxyl groups in the molecule":[]
    },
    "pronounciation":[
      "\"+"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetra- + carboxylic":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-024738"
  },
  "tetravalent":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": having a valence of four":[]
    },
    "pronounciation":[
      "\u02ccte-tr\u0259-\u02c8v\u0101-l\u0259nt"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "International Scientific Vocabulary":""
    },
    "first_known_use":{
      "1868, in the meaning defined above":""
    },
    "time_of_retrieval":"20220712-025545"
  },
  "tetrachromatic":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": having four colors":[],
      ": dependent upon or sensitive to four primary colors":[]
    },
    "pronounciation":[
      "\"+"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetra- + chromatic":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-025707"
  },
  "tetragonal tristetrahedron":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": deltohedron":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220712-033307"
  },
  "tetrachronous":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": tetrasemic":[]
    },
    "pronounciation":[
      "t\u0259\u0307\u2027\u02c8trakr\u0259n\u0259s"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "Greek tetrachronos , from tetra- + -chronos -chronous":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-033347"
  },
  "tetrathionic acid":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": the thionic acid H 2 S 4 O 6 containing four atoms of sulfur in the molecule":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "International Scientific Vocabulary tetra- + thionic ; originally formed as French t\u00e9trathionique":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-033816"
  },
  "tetraphyllid":{
    "type":[
      "adjective",
      "noun"
    ],
    "definitions":{
      ": of or relating to the Tetraphyllidea":[],
      ": a tapeworm of the order Tetraphyllidea":[]
    },
    "pronounciation":[
      "\""
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin Tetraphyllidea":"Adjective"
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-034210"
  },
  "tetraxial":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": having four axes":[]
    },
    "pronounciation":[
      "te\u2027\u02c8traks\u0113\u0259l"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetra- + axial or axile":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-042248"
  },
  "tetravalence":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": the quality or state of being tetravalent":[
        "the tetravalence of the carbon atom"
      ]
    },
    "pronounciation":[
      "\u00a6te\u2027tr\u0259+"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetravalence International Scientific Vocabulary, from tetravalent , after such pairs as English present : presence; tetravalency from tetravalent , after such pairs as English president : presidency":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-043448"
  },
  "tetraxon":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a tetraxial sponge spicule":[]
    },
    "pronounciation":[
      "te\u2027\u02c8traks\u00e4n"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetra- + Greek ax\u014dn axle, axis":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-050050"
  },
  "Tetraonidae":{
    "type":[
      "plural noun"
    ],
    "definitions":{
      ": a variously limited family of birds (order Galliformes) that is usually restricted to those grouses which have the tarsi and nostrils feathered":[]
    },
    "pronounciation":[
      "\u02ccte\u2027tr\u0259\u02c8\u00e4n\u0259\u02ccd\u0113"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from Tetraon-, Tetrao , type genus + -idae":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-052525"
  },
  "tetrahedral coordination":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": the state of being surrounded by four atoms whose centers are at the corners of a tetrahedron":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220712-052649"
  },
  "Tetradynamia":{
    "type":[
      "plural noun"
    ],
    "definitions":{
      ": a class of higher plants comprising all plants having tetradynamous stamens":[]
    },
    "pronounciation":[
      "-d\u0259\u0307\u02c8-",
      "-n\u0101m-"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from tetra- + Greek dynamis power + New Latin -ia":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-055448"
  },
  "tetracarbonyl":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a compound containing four carbonyl groups combined with a metal":[]
    },
    "pronounciation":[
      "\u00a6te\u2027tr\u0259+"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetra- + carbonyl":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-061349"
  },
  "tetrahedral hypothesis":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a hypothesis in geology: the earth's assumed original spherical form giving a minimum surface for a given volume tended as the earth shrank to develop into a tetrahedron giving a maximum surface for a given volume with the continents as the edges and the ocean basins as the sides":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220712-081504"
  },
  "tetracaine":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a crystalline basic ester C 15 H 24 N 2 O 2 that is closely related chemically to procaine and is used chiefly in the form of its hydrochloride as a local anesthetic":[]
    },
    "pronounciation":[
      "\u02c8te-tr\u0259-\u02cck\u0101n"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetra- + -caine":""
    },
    "first_known_use":{
      "circa 1935, in the meaning defined above":""
    },
    "time_of_retrieval":"20220712-084853"
  },
  "tetraiod-":{
    "type":[
      "combining form"
    ],
    "definitions":{
      ": containing four atoms of iodine":[
        "\u2014 in names of chemical compounds tetraiodo fluorescein"
      ],
      "\u2014 compare iod-":[
        "\u2014 in names of chemical compounds tetraiodo fluorescein"
      ]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetra- + iod-":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-085206"
  },
  "Tettigoniidae":{
    "type":[
      "plural noun"
    ],
    "definitions":{
      ": a large family of insects (order Orthoptera) having long slender antennae and four-segmented tarsi and comprising the long-horned grasshoppers":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from Tettigonia , type genus (from Latin tettigonia leafhopper, from Greek tettigonion , diminutive of tettig-, tettix cicada) + -idae":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-091419"
  },
  "tetrasemic":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": consisting of or of the length of four morae in classical prosody":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetrasemic from Greek tetras\u0113m os of four time units (from tetra- + -s\u0113mos , from s\u0113meion unit of time, mark, sign, from s\u0113ma sign) + English -ic; tetraseme from Greek tetras\u0113mos":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-093636"
  },
  "Tetrastichus":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a genus of minute chalcid flies that contains numerous hyperparasites and is sometimes made the type of a distinct family":[]
    },
    "pronounciation":[
      "-k\u0259s"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from Greek tetrastichos of four lines":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-102346"
  },
  "Teton":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a western division of the Dakota peoples \u2014 see brul\u00e9 , miniconjou , oglala , sihasapa , two kettle":[],
      ": a member of such division":[],
      ": a dialect of Dakota":[]
    },
    "pronounciation":[
      "-t\u1d4an",
      "\u02c8t\u0113\u02cct\u00e4n"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220712-105307"
  },
  "tetrathyridium":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a modified cysticercus resembling an elongated plerocercoid with a scolex invaginated at one end":[]
    },
    "pronounciation":[
      "\"+"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from tetra- + thyridium":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-105649"
  },
  "tetraseme":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a tetrasemic foot (as a tetrabrach or a spondee)":[]
    },
    "pronounciation":[
      "\u02c8te\u2027tr\u0259\u02ccs\u0113m"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "back-formation from tetrasemic":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-105904"
  },
  "tetrahydrofuran":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a flammable liquid heterocyclic ether C 4 H 8 O that is derived from furan and used as a solvent and as an intermediate in organic synthesis":[]
    },
    "pronounciation":[
      "-fyu\u0307-\u02c8ran",
      "\u02ccte-tr\u0259-\u02c8fyu\u0307r-\u02ccan"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web",
      "In February, an Orange County man, whose name wasn\u2019t released, died after taking tetrahydrofuran fentanyl, a synthetic substance similar to fentanyl, federal prosecutors said. \u2014 Christal Hayes, OrlandoSentinel.com , 20 July 2017"
    ],
    "history_and_etymology":{
      "tetrahydro- + furan":""
    },
    "first_known_use":{
      "circa 1943, in the meaning defined above":""
    },
    "time_of_retrieval":"20220712-110305"
  },
  "tetraselenodont":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": relating to or having molar teeth with four crescentic crests or ridges":[]
    },
    "pronounciation":[
      "\"+"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetra- + selenodont":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-110335"
  },
  "tetrasilicate":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a silicate (as talc) containing four atoms of silicon in the molecule":[]
    },
    "pronounciation":[
      "\u00a6te\u2027tr\u0259+"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "International Scientific Vocabulary tetra- + silicate":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-112345"
  },
  "tetrahydrofurfuryl alcohol":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a high-boiling liquid (C 4 H 7 O)CH 2 OH made by catalytic hydrogenation of furfural and used as a solvent and in the preparation of esters":[]
    },
    "pronounciation":[
      "\"+-"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetrahydr- + furfuryl":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-113217"
  },
  "tetrabromophenolphthalein":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a dye C 20 H 10 Br 4 O 4 used in the form of its disodium salt in X-ray examination especially of the gall bladder":[]
    },
    "pronounciation":[
      "\"+"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetrabrom- + phenolphthalein":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-113839"
  },
  "tetiothalein sodium":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": the disodium salt of iodophthalein":[]
    },
    "pronounciation":[
      "-\u0101l-",
      "-\u02ccl\u0113n-",
      "t\u0259\u0307\u00a6t\u012b\u014d\u00a6thal\u0113\u0259\u0307n-"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetiothalein from tet ra io dophenolph thalein , from tetra- + -iod- + phenol + phthalein":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-115713"
  },
  "tetraiodide":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": an iodide containing four atoms of iodine":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetra- + iodide":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-120347"
  },
  "tetrabromoethane":{
    "type":[
      "noun"
    ],
    "definitions":{},
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "International Scientific Vocabulary tetrabrom- + ethane":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-124256"
  },
  "tetrahydronaphthalene":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": an oily liquid hydrocarbon C 10 H 12 obtained by partial hydrogenation of naphthalene in the presence of a catalyst and used chiefly as a solvent (as for paints and lacquers)":[]
    },
    "pronounciation":[
      "\"+"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "International Scientific Vocabulary tetrahydr- + naphthalene":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-124752"
  },
  "tetracoral":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": one of the Tetracoralla":[]
    },
    "pronounciation":[
      "-k\u00e4r-"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin Tetracoralla":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-131650"
  },
  "tetrahydroxy-":{
    "type":[
      "adjective",
      "combining form"
    ],
    "definitions":{
      ": containing four hydroxyl groups in the molecule":[],
      ": containing four hydroxyl groups":[
        "\u2014 in names of chemical compounds tetrahydroxy anthraquinone"
      ]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetrahydroxy-":"Adjective",
      "International Scientific Vocabulary tetra- + hydroxy-":"Combining form"
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-131917"
  },
  "tetracid":{
    "type":[
      "adjective",
      "noun"
    ],
    "definitions":{
      ": able to react with four molecules of a monobasic acid or two of a dibasic acid to form a salt or ester":[
        "\u2014 used especially of bases"
      ],
      ": containing four hydrogen atoms replaceable by basic atoms or radicals":[
        "\u2014 used especially of acid salts"
      ],
      ": an acid having four acid hydrogen atoms":[]
    },
    "pronounciation":[
      "t\u0259\u0307\u2027\u02c8tras\u0259\u0307d",
      "\""
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetra- + acid (adjective)":"Adjective",
      "tetra- + acid (noun)":"Noun"
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-131940"
  },
  "tetrastichous":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": ranked by fours":[],
      ": arranged in four vertical rows":[
        "\u2014 used especially of the inflorescence of a grass or of its constituent parts"
      ]
    },
    "pronounciation":[
      "te\u2027\u02c8trast\u0259k\u0259s"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "Late Latin tetrastichus of four lines, of four rows, from Greek tetrastichos":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-132646"
  },
  "tetratonic":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": consisting of four musical tones":[
        "tetratonic scale"
      ],
      ": relating to the tetratonic scale":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "Greek tetraton os having four tones (from tetra- + tonos tone) + English -ic":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-133420"
  },
  "tetrabrach":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a word or foot of four short syllables in classical prosody":[]
    },
    "pronounciation":[
      "\u02c8te\u2027tr\u0259\u02ccbrak"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "Greek tetrabrachys , from tetra- + brachys short":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-135251"
  },
  "tetraiodo":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": containing four atoms of iodine in the molecule":[]
    },
    "pronounciation":[
      "\u00a6\u012b\u0259\u02ccd\u014d",
      "\u00a6te\u2027tr\u0259\u012b\u00a6\u014d(\u02cc)d\u014d"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetraiod-":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-141802"
  },
  "tetracolon":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a period of four cola in classical prosody":[]
    },
    "pronounciation":[
      "-\u02ccl\u00e4n",
      "\u02ccte\u2027tr\u0259\u02c8k\u014dl\u0259n"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "Latin, from Greek tetrak\u014dlon , neuter of tetrak\u014dlos of four members, of four limbs, from tetra- + -k\u014dlos limbed (from k\u014dlon limb)":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-143041"
  },
  "tetrabasic":{
    "type":[
      "adjective",
      "noun,"
    ],
    "definitions":{
      ": having four hydrogen atoms capable of replacement by basic atoms or radicals":[
        "\u2014 used of acids (as hypophosphoric acid)"
      ],
      ": containing four atoms of a univalent metal or their equivalent":[
        "\u2014 used of salts"
      ],
      ": having four basic hydroxyl groups : able to react with four molecules of a monoacid":[
        "\u2014 used of bases and basic salts"
      ]
    },
    "pronounciation":[
      "\u00a6te\u2027tr\u0259+"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "International Scientific Vocabulary tetra- + basic":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-145017"
  },
  "tetrapodal":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": tetrapod":[
        "tetrapodal reptiles"
      ],
      ": constituting one of four supporting legs":[
        "pottery consisting of vessels with tetrapodal supports"
      ]
    },
    "pronounciation":[
      "-d\u1d4al"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetrapod entry 1 + -al":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-145700"
  },
  "Tetracoralla":{
    "type":[
      "plural noun"
    ],
    "definitions":{
      ": a subclass or other group of Paleozoic corals in which the septa when present are usually in multiples of four and of which many are solitary and cornucopia-shaped and sometimes attain large size":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from tetra- + Latin coralla":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-150036"
  },
  "tetradymite":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a mineral Bi 2 Te 2 S consisting of a telluride and sulfide of bismuth, sometimes containing selenium, being pale steel gray in color and of a metallic luster, and occurring usually in foliated masses (hardness 1.5\u20132, specific gravity 7.2\u20137.6)":[]
    },
    "pronounciation":[
      "t\u0259\u0307\u2027\u02c8trad\u0259\u02ccm\u012bt"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "Late Greek tetradymos fourfold, from Greek tetra- + didymos twin; from its occurrence in compound twin crystals":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-150105"
  },
  "tetrabromo":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": containing four atoms of bromine":[]
    },
    "pronounciation":[
      "\u00a6te\u2027tr\u0259\u00a6br\u014d(\u02cc)m\u014d"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetrabrom-":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-151624"
  },
  "tetracoralline":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": of or relating to the Tetracoralla":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin Tetracoralla + English -ine":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-151634"
  },
  "tetrarhynchidean":{
    "type":[
      "adjective or noun"
    ],
    "definitions":{
      ": trypanorhynchan":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetrarhynchidean from New Latin Tetrarhynchidea + English -an; tetrarhynchoid from New Latin Tetrarhynchoidea":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-153926"
  },
  "tetraspore":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": one of the four haploid asexual spores developed meiotically in the red algae":[]
    },
    "pronounciation":[
      "\u02c8te-tr\u0259-\u02ccsp\u022fr"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "International Scientific Vocabulary":""
    },
    "first_known_use":{
      "1846, in the meaning defined above":""
    },
    "time_of_retrieval":"20220712-160737"
  },
  "Tetradymia":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a genus of low rigid tomentose shrubs (family Compositae) having alternate entire leaves, head with concave overlapping bracts, and terete achenes":[]
    },
    "pronounciation":[
      "\u02ccte\u2027tr\u0259\u02c8dim\u0113\u0259"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from tetra- + -dymia":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-162515"
  },
  "Tethyum":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a genus (the type of the family Tethyidae) of large muscular simple ascidians sometimes used for food":[]
    },
    "pronounciation":[
      "\u02c8t\u0113th\u0113\u0259m"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from Greek t\u0113thyon sea squirt, from T\u0113thys , wife of Oceanus":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-164820"
  },
  "tetrabromide":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a bromide containing four atoms of bromine":[]
    },
    "pronounciation":[
      "\u00a6te\u2027tr\u0259+"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetrabrom- + -ide":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-164924"
  },
  "tetradrachm":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": an ancient Greek silver coin worth four drachmas":[]
    },
    "pronounciation":[
      "\u02c8te-tr\u0259-\u02ccdram"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web",
      "Over pizza on the Upper East Side, Weiss told the informant about a rare coin\u2014a fifth-century-B.C. tetradrachm bearing the head of Apollo. \u2014 Ariel Sabar, The Atlantic , 23 Nov. 2021"
    ],
    "history_and_etymology":{
      "Greek tetradrachmon , from tetra- + drachm\u0113 drachma":""
    },
    "first_known_use":{
      "circa 1580, in the meaning defined above":""
    },
    "time_of_retrieval":"20220712-165328"
  },
  "tetrabranch":{
    "type":[
      "adjective",
      "noun"
    ],
    "definitions":{
      ": of or relating to the Tetrabranchia":[],
      ": a tetrabranch mollusk or fossil : nautiloid":[]
    },
    "pronounciation":[
      "\u02c8te\u2027tr\u0259\u02ccbra\u014bk",
      "\"",
      "-ai\u014bk"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin Tetrabranchia":"Adjective"
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-165943"
  },
  "Tetragonia":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a genus of fleshy herbs or undershrubs (family Aizoaceae) of wide distribution having yellow or reddish apetalous flowers and a winged or quadrangular nut or drupe \u2014 see new zealand spinach":[]
    },
    "pronounciation":[
      "\u02ccte\u2027tr\u0259\u02c8g\u014dne\u0259"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from Greek tetrag\u014dnia spindle tree, from tetrag\u014dnos tetragonal + -ia -y":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-170755"
  },
  "tetrakaidecahedron":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a 14-sided figure having 6 quadrilateral and 8 hexagonal faces":[]
    },
    "pronounciation":[
      "\u02ccte\u2027tr\u0259\u02cck\u012b\u02ccdek\u0259\u02c8h\u0113dr\u0259n"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from Late Greek tetrakaidekaedron , from Greek tetrakaideka fourteen (from tetra- + kai and + deka ten) + -edron -hedron":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-171340"
  },
  "tetrasporiferous":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": bearing tetraspores":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetraspore + -iferous":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-173144"
  },
  "tetrabrom-":{
    "type":[
      "combining form"
    ],
    "definitions":{
      ": containing four atoms of bromine":[
        "\u2014 in names of chemical compounds tetrabromo ethylene"
      ],
      "\u2014 compare brom-":[
        "\u2014 in names of chemical compounds tetrabromo ethylene"
      ]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "International Scientific Vocabulary tetra- + brom-":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-173849"
  },
  "Tetradite":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": one holding that there are four persons in God":[
        "the epithet of Tetradite has historically been applied to Nestorians and Origenists among others"
      ]
    },
    "pronounciation":[
      "\u02c8te\u2027tr\u0259\u02ccd\u012bt"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin Tetradites , from Late Greek Tetradit\u0113s , a heretic, from Greek tetrad-, tetras tetrad, four + -it\u0113s -ite":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-180412"
  },
  "tetradecyl alcohol":{
    "type":[
      "noun"
    ],
    "definitions":{},
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220712-181018"
  },
  "tetradecyl":{
    "type":[
      "noun"
    ],
    "definitions":{},
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "International Scientific Vocabulary tetra- + decyl":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-181041"
  },
  "tetrakis-":{
    "type":[
      "combining form"
    ],
    "definitions":{
      ": four times : quadrupled":[
        "\u2014 especially in complex chemical expressions tetrakis -(2-hydroxyethyl)-ammonium chloride (HOCH 2 CH 2 ) 4 NCl"
      ]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "Greek, from tetrakis ; akin to Greek tettares, tessares four":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-181748"
  },
  "Tethys":{
    "type":[
      "adjective",
      "geographical name",
      "noun"
    ],
    "definitions":{
      ": a Titaness and wife of Oceanus":[],
      "either of two ancient seas: an earlier one that extended into eastern Pangaea late in the Paleozoic Era, or a later one that separated Laurasia to the north from Gondwana to the south during the Mesozoic Era":[]
    },
    "pronounciation":[
      "\u02c8t\u0113-th\u0259s"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "Latin, from Greek T\u0113thys":""
    },
    "first_known_use":{
      "1567, in the meaning defined above":""
    },
    "time_of_retrieval":"20220712-182931"
  },
  "tetrasporophyte":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a plant bearing tetraspores":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetraspore + -o- + -phyte":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-183159"
  },
  "tetrapody":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a unit of four metrical feet":[]
    },
    "pronounciation":[
      "-d\u0113"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "Greek tetrapodia , from tetrapod-, tetrapous four-footed + -ia -y":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-184821"
  },
  "tether-devil":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a bittersweet ( Solanum dulcamara )":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220712-185900"
  },
  "tetrabranchiate":{
    "type":[
      "adjective or noun"
    ],
    "definitions":{
      ": tetrabranch":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin Tetrabranchiata":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-190206"
  },
  "tetraster":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a mitotic figure characterized by four astral poles instead of the more usual two and in an embryo usually resulting from abnormal polyspermy":[]
    },
    "pronounciation":[
      "(\u02c8)te\u2027\u00a6trast\u0259(r)"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from tetra- + -aster":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-191325"
  },
  "tetrakisazo":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": containing four azo groups in the molecule":[
        "tetrakisazo dyes"
      ]
    },
    "pronounciation":[
      "\u00a6te\u2027tr\u0259k\u0259\u0307s+"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetrakis- + azo":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-191618"
  },
  "tetracosane":{
    "type":[
      "noun"
    ],
    "definitions":{},
    "pronounciation":[
      "\u02c8te\u2027tr\u0259k\u0259\u02ccs\u0101n"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetra- + ei cosane":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-192009"
  },
  "Tetrabranchia":{
    "type":[
      "plural noun"
    ],
    "definitions":{
      ": a subclass or order of Cephalopoda including among existing forms only the genus Nautilus , differing from the remaining existing cephalopods in having four gills, four auricles to the heart, and a large chambered external shell, and including many extinct forms \u2014 see ammonoidea , nautiloidea \u2014 compare dibranchia":[]
    },
    "pronounciation":[
      "-ai\u014b-"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from tetra- + -branchia":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-195038"
  },
  "Tetracoccus":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a micrococcus occurring in square groups of four":[]
    },
    "pronounciation":[
      "\"",
      "\u02ccte\u2027tr\u0259\u02c8k\u00e4k\u0259s"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from tetra- + -coccus":"Noun",
      "New Latin":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-195041"
  },
  "tetraskele":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": tetraskelion":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from Greek tetraskel\u0113s four-legged, from tetra- + -skel\u0113s (from skelos leg)":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-200159"
  },
  "tetradecane":{
    "type":[
      "noun"
    ],
    "definitions":{},
    "pronounciation":[
      "\"+"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "International Scientific Vocabulary tetra- + decane":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-203231"
  },
  "tetrakishexahedron":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": tetrahexahedron":[]
    },
    "pronounciation":[
      "\"+"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from tetrakis- + hexahedron":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-204240"
  },
  "tetrastich":{
    "type":[
      "adjective",
      "noun"
    ],
    "definitions":{
      ": a prosodic unit or stanza of four lines":[]
    },
    "pronounciation":[
      "\u02c8te\u2027tr\u0259\u02ccstik"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "Latin tetrastichon , from Greek, neuter of tetrastichos of four lines, from tetra- + stichos line, verse":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-204326"
  },
  "tetratomic":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": consisting of four atoms : having four atoms in the molecule":[],
      ": having four replaceable atoms or radicals":[]
    },
    "pronounciation":[
      "\u00a6te\u2027tr\u0259\u02c8t\u00e4mik"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "International Scientific Vocabulary tetra- + atomic":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-204733"
  },
  "tetracosanoic acid":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": lignoceric acid":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetracosanoic from tetracosane + -oic":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220715-085330"
  },
  "tetherball":{
    "type":[
      "noun"
    ],
    "definitions":{},
    "pronounciation":[
      "\u02c8te-t\u035fh\u0259r-\u02ccb\u022fl"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web",
      "Wildcoast has also used tires and other materials retrieved from the boom to build a nearby playground with swings, tetherball courts and a small soccer field. \u2014 San Diego Union-Tribune , 23 Apr. 2022",
      "The center is using several of Convertible's additions as part of the exercise routines, including the human hamster wheel, tetherball and indoor slide. \u2014 Domenica Bongiovanni, The Indianapolis Star , 1 Dec. 2021",
      "The shortstop could be seeking a contract valued at $300 million, which seems a lot for an average defensive shortstop who backhands more balls than a tetherball player. \u2014 Los Angeles Times , 4 Nov. 2021",
      "Who among us wouldn\u2019t love to run outside for a game of tetherball ? \u2014 Sarah Bahari, Dallas News , 26 May 2021",
      "Irving\u2019s parks and recreation department is hosting adult recess every week, with cornhole, tetherball , pickle ball, shuffleboard, table tennis and giant Jenga. \u2014 Sarah Bahari, Dallas News , 11 June 2021",
      "Irving\u2019s parks and recreation department is hosing adult recess every week, with cornhole, tetherball , pickle ball, shuffleboard, table tennis and giant Jenga. \u2014 Sarah Bahari, Dallas News , 4 June 2021",
      "Irving\u2019s parks and recreation department is hosing adult recess every week, with cornhole, tetherball , pickle ball, shuffleboard, table tennis and giant Jenga. \u2014 Sarah Bahari, Dallas News , 28 May 2021",
      "The ball and rope attached to a pole haphazardly stuck in the sand provided us with tetherball . \u2014 Julia Wick, Los Angeles Times , 5 Nov. 2020"
    ],
    "history_and_etymology":{},
    "first_known_use":{
      "1897, in the meaning defined above":""
    },
    "time_of_retrieval":"20220712-211656"
  },
  "tetracovalent":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": sharing four covalent bonds with other atoms or characterized by such sharing":[
        "tetracovalent nitrogen"
      ]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetra- + covalent":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-212052"
  },
  "tetraskelion":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a figure (as the swastika) composed of four arms radiating from a center and bent in the same direction \u2014 compare triskelion":[]
    },
    "pronounciation":[
      "-\u0113\u02cc\u00e4n",
      "\u02ccte\u2027tr\u0259\u02c8skel\u0113\u0259n"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, diminutive of tetraskele":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-213559"
  },
  "tetradactylous":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": having four digits":[
        "a tetradactylous animal"
      ]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "Greek tetradaktylos , from tetra- + daktylos finger, toe":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-215144"
  },
  "tetracoccus":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a micrococcus occurring in square groups of four":[]
    },
    "pronounciation":[
      "\"",
      "\u02ccte\u2027tr\u0259\u02c8k\u00e4k\u0259s"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from tetra- + -coccus":"Noun",
      "New Latin":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-220947"
  },
  "tetract":{
    "type":[
      "adjective",
      "noun"
    ],
    "definitions":{
      ": having four rays":[],
      ": a 4-rayed sponge spicule":[]
    },
    "pronounciation":[
      "\"",
      "\u02c8te\u2027\u02cctrakt"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetra- + -act":"Adjective"
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-222655"
  },
  "tether":{
    "type":[
      "noun",
      "verb"
    ],
    "definitions":{
      ": a line (as of rope or chain) by which an animal is fastened so as to restrict its range of movement":[],
      ": a line to which someone or something is attached (as for security)":[
        "A crewman can clip the tether of his harness to the [safety line] and leave it clipped as he makes his way forward and aft.",
        "\u2014 Michael A. Smith"
      ],
      ": the limit of one's strength or resources":[
        "I'm at the end of my tether ."
      ],
      ": to fasten or restrain by or as if by a tether":[
        "felt tethered to her desk until the work was done"
      ]
    },
    "pronounciation":[
      "\u02c8te-t\u035fh\u0259r"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Verb",
      "They tethered the horses in the shade.",
      "The dog was tethered to the fence.",
      "Recent Examples on the Web: Noun",
      "Other notable features include four backrests, four cup holders, two footbaths, eight handles, a tether rope, a water entry pad, and a high-quality carrying bag. \u2014 Theresa Holland, Travel + Leisure , 1 June 2022",
      "The kite is attached by an 800-meter tether to a ground station contained in a shipping container. \u2014 Kurt Kleiner, Smithsonian Magazine , 12 Apr. 2022",
      "Backcountry campers and hikers may want to keep an eye toward light, compact hatchets that pack easily into a backpack or tether to a belt. \u2014 Mike Richard, Men's Health , 18 Apr. 2022",
      "Bella's story starts in Saginaw Country, Michigan, where a postal worker found the pit bull terrier painfully tangled up in her tether in a yard with no food, water, or shelter. \u2014 Kelli Bender, PEOPLE.com , 4 Apr. 2022",
      "This screenshot from a DroneUp video shows the drone lowering a package using a long tether . \u2014 Timothy B. Lee, Ars Technica , 19 Apr. 2022",
      "Flying perpendicular to the direction of the wind, their wings generate lift and pull even harder against the tether . \u2014 Kurt Kleiner, Smithsonian Magazine , 12 Apr. 2022",
      "Before her rescue, Bella chewed her back leg off at the thigh while trying to escape the tether she was stuck in. \u2014 Kelli Bender, PEOPLE.com , 4 Apr. 2022",
      "The value of the three largest stablecoins\u2014 tether , USD Coin and Binance USD\u2014is about $100 billion, up from about $11 billion a year ago. \u2014 Paul Vigna, WSJ , 17 July 2021",
      "Recent Examples on the Web: Verb",
      "As someone who can often get lost in their headspace or the energies, my waist beads literally tether me to my physical form, reminding me to slow down and be in the here and now. \u2014 Vogue , 5 May 2022",
      "Some pumps don't tether you to an outlet but still have a wire connecting the pump to a mobile power source, like the Freemie. \u2014 Jamie Spain, Good Housekeeping , 16 May 2022",
      "The goal is certainly ambitious since current VR headsets can have a variety of limitations, including short battery life or a need to tether themselves to a PC. \u2014 Michael Kan, PCMAG , 28 Apr. 2022",
      "This is actually pretty cool and a good option for anyone who can\u2019t tether their pup to a tree. \u2014 Joe Jackson, Outside Online , 15 Aug. 2014",
      "Yet, impactful microinteractions that tether together a unique user journey, demonstrates the power of design in details. \u2014 Goran Paun, Forbes , 28 Jan. 2022",
      "To tether the events, Ryan Seacrest will co-host the 50th annual Times Square countdown with Lisa Koshy. \u2014 Kelly Wynne, PEOPLE.com , 7 Dec. 2021",
      "But being able to tether to your PC opens the door for even more. \u2014 Joshua Hawkins, BGR , 24 Nov. 2021",
      "And finally, some people tether because their dads and granddads did, too. \u2014 Gene Weingarten, Washington Post , 8 Nov. 2021"
    ],
    "history_and_etymology":{
      "Middle English tethir, teder , probably of Scandinavian origin; akin to Old Norse tj\u014dthr tether; akin to Old High German zeotar pole of a wagon":"Noun"
    },
    "first_known_use":{
      "14th century, in the meaning defined at sense 1a":"Noun",
      "15th century, in the meaning defined above":"Verb"
    },
    "time_of_retrieval":"20220712-223159"
  },
  "teth":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": the 9th letter of the Hebrew alphabet \u2014 see Alphabet Table":[]
    },
    "pronounciation":[
      "\u02c8t\u0101th",
      "\u02c8t\u0101s",
      "\u02c8t\u0101t"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "Hebrew \u1e6d\u0113th":""
    },
    "first_known_use":{
      "circa 1823, in the meaning defined above":""
    },
    "time_of_retrieval":"20220712-224219"
  },
  "tetradactyl":{
    "type":[
      "adjective",
      "noun",
      "noun,"
    ],
    "definitions":{
      ": tetradactylous":[],
      ": a tetradactylous animal":[]
    },
    "pronounciation":[
      "\"",
      "\u00a6te\u2027tr\u0259+"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "Greek tetradaktylos":"Adjective"
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-224727"
  },
  "tetralemma":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": an argument analogous to a dilemma but presenting four alternatives in the premises":[]
    },
    "pronounciation":[
      "\u02ccte\u2027tr\u0259\u02c8lem\u0259"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetra- + di lemma":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-230538"
  },
  "tetrasporangium":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a sporangium producing tetraspores":[]
    },
    "pronounciation":[
      "\"+"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from tetra- (in International Scientific Vocabulary tetraspore ) + sporangium":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-231021"
  },
  "tetrasodium pyrophosphate":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": sodium pyrophosphate":[]
    },
    "pronounciation":[
      "\u00a6te\u2027tr\u0259+-"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetra- + sodium":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-231150"
  },
  "tetrapolar":{
    "type":[
      "adjective",
      "noun"
    ],
    "definitions":{
      ": having four poles":[
        "certain abnormal mitotic figures are tetrapolar"
      ]
    },
    "pronounciation":[
      "\u00a6te\u2027tr\u0259+"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetra- + polar":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-231357"
  },
  "Tetralin":{
    "type":[
      "trademark"
    ],
    "definitions":{},
    "pronounciation":[
      "\u02c8te\u2027tr\u0259l\u0259\u0307n"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220712-232440"
  },
  "tetrasporangiate":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": of, relating to, or being a tetrasporangium":[]
    },
    "pronounciation":[
      "-\u0113\u02cc\u0101t"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin tetrasporangi um + English -ate":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-232805"
  },
  "tetralogy":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a series of four connected works (such as operas or novels)":[],
      ": a group of four dramatic pieces presented consecutively on the Attic stage at the Dionysiac festival":[]
    },
    "pronounciation":[
      "-\u02c8tra-",
      "te-\u02c8tr\u00e4-l\u0259-j\u0113"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web",
      "Set in various Italian locales, the TV adaptation of Elena Ferrante\u2019s novel tetralogy about two lifelong friends is easily the most gorgeous series on the list and arguably all of television. \u2014 Inkoo Kang, Washington Post , 1 July 2022",
      "Thomas was a pioneering Black surgeon who developed a technique to treat a birth defect affecting the heart called tetralogy of Fallot. \u2014 Usha Lee Mcfarling, STAT , 24 Feb. 2022",
      "His own tetralogy , The Book of the New Sun, has been called the Ulysses of sci-fi fantasy, the sort of work that anchors a lot of bookshelves but hasn't necessarily been cracked open. \u2014 Gregory Barber, Wired , 10 Feb. 2022",
      "Figueiredo reclaimed the belt against Moreno in an amazing back-and-forth battle (setting up the first tetralogy in UFC history) and that made up for the 25-minute puzzle that was Ngannou-Gane. \u2014 Josh Chesler, SPIN , 23 Jan. 2022",
      "The four-film tetralogy , known as Rebuild of Evangelion, is a retelling of the series, one that delves deeper into the world after the original series\u2019 finale. \u2014 Patrick Lucas Austin, Time , 20 Aug. 2021",
      "But the Rebuild of Evangelion tetralogy has a new ending entirely. \u2014 Rafael Motamayor, Vulture , 13 Aug. 2021",
      "For almost two decades, over the more than 3,000 pages of a monumental tetralogy , Rick Perlstein has sought to answer exactly those questions. \u2014 Patrick Iber, The New Republic , 11 Aug. 2020",
      "Second play in Shakespeare's tetralogy dealing with the successive reigns of Richard II, Henry IV. \u2014 Gege Reed, The Courier-Journal , 15 June 2019"
    ],
    "history_and_etymology":{
      "Greek tetralogia , from tetra- + -logia -logy":""
    },
    "first_known_use":{
      "1656, in the meaning defined at sense 2":""
    },
    "time_of_retrieval":"20220712-233225"
  },
  "tetractine":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": tetract":[]
    },
    "pronounciation":[
      "t\u0259\u0307\u2027\u02c8trak\u02cctin",
      "-t\u0259\u0307n"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetra + -actine":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-234640"
  },
  "Tetrasporales":{
    "type":[
      "plural noun"
    ],
    "definitions":{
      ": an order of green algae having vegetative cells that are immobile but capable of changing temporarily into a motile stage and that form colonies that are not filamentous and are often amorphous":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from Tetraspora , genus of green algae (from tetra- + -spora ) + -ales":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-234747"
  },
  "tetrad":{
    "type":[
      "adjective",
      "noun"
    ],
    "definitions":{
      ": a group or arrangement of four: such as":[],
      ": a group of four cells produced by the successive divisions of a mother cell":[
        "a tetrad of spores"
      ],
      ": a group of four synapsed chromatids that become visibly evident in the pachytene stage of meiotic prophase":[]
    },
    "pronounciation":[
      "\u02c8te-\u02cctrad"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web",
      "Creative awards aren\u2019t limited to that entertainment tetrad known as the EGOT (Emmy, Grammy, Oscar, Tony). \u2014 Peter Rubin, Longreads , 28 Feb. 2022",
      "Those taps, along with any line completions, create new flashes and animations, and these very rarely obscure your all-important tetrads . \u2014 Sam Machkovech, Ars Technica , 9 Nov. 2018",
      "At its most technical, a blood moon is a series of four consecutive lunar eclipses or tetrad , which is not the case for the upcoming eclipse. \u2014 Mika Mckinnon, Smithsonian , 26 Jan. 2018",
      "The blood moon marked the beginning of a tetrad \u2014 four consecutive and complete lunar eclipses occurring at six-month intervals \u2014 which some see as a prophecy. \u2014 Sean Rossman, USA TODAY , 21 Sep. 2017"
    ],
    "history_and_etymology":{
      "Greek tetrad-, tetras , from tetra-":""
    },
    "first_known_use":{
      "1653, in the meaning defined above":""
    },
    "time_of_retrieval":"20220712-235246"
  },
  "tetrasomatic":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": of or relating to tetrasomaty":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetrasomaty + -ic":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-001602"
  },
  "tetracycline":{
    "type":[
      "noun"
    ],
    "definitions":{},
    "pronounciation":[
      "\u02ccte-tr\u0259-\u02c8s\u012b-\u02cckl\u0113n",
      "-kl\u0259n"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web",
      "There is at least one drug, tetracycline , that over time can break down into a substance that can damage the kidney. \u2014 Dr. Keith Roach, oregonlive , 8 July 2022",
      "This strain has a high-level of resistance to azithromycin and resistance to ceftriaxone, cefixime, cefotaxime, ciprofloxacin and tetracycline . \u2014 Bruce Y. Lee, Forbes , 21 June 2022",
      "Oxitec uses the antibiotic tetracycline to raise its bugs and mass produce them. \u2014 Melody Petersenstaff Writer, Los Angeles Times , 8 Apr. 2022",
      "Like steroids do for humans, antibiotics such as tetracycline can bulk some animals up more quickly. \u2014 Washington Post , 7 Apr. 2022",
      "Laboratory testing found that 20 of these cases were resistant to common antibiotics such as chloramphenicol, streptomycin, sulfamethoxazole and tetracycline . \u2014 Sandee Lamotte, CNN , 25 Aug. 2021",
      "Using genetic-engineering techniques, the company altered the male mosquitoes to pass down a gene that makes females need a dash of the antibiotic tetracycline to survive. \u2014 Robert Lee Hotz, WSJ , 31 May 2021",
      "In this case, male mosquitoes have been modified to carry a gene that makes their female progeny dependent on the antibiotic tetracycline \u2014and thus fated to die in the wild. \u2014 Donavyn Coffey, Scientific American , 14 May 2021",
      "There, the insects might be exposed to tetracycline which is used to treat fruit trees and is found in human waste. \u2014 Karen Weintraub, USA TODAY , 29 Apr. 2021"
    ],
    "history_and_etymology":{
      "International Scientific Vocabulary tetracycl ic having four fused hydrocarbon rings + -ine entry 2":""
    },
    "first_known_use":{
      "1952, in the meaning defined above":""
    },
    "time_of_retrieval":"20220713-002112"
  },
  "tetrapteran":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": having four wings":[]
    },
    "pronounciation":[
      "te\u2027\u02c8trapt\u0259r\u0259n"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "Greek tetrapter os + English -an":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-002242"
  },
  "tetrasome":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": an association (as in a polyploid) of four homologous chromosomes in the meiotic prophase \u2014 compare bivalent , tetrad":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetra- + -some":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-004235"
  },
  "tetractinellid":{
    "type":[
      "adjective",
      "noun"
    ],
    "definitions":{
      ": of or relating to the Tetractinellida":[],
      ": a sponge of the subclass Tetractinellida":[]
    },
    "pronounciation":[
      "t\u0259\u0307\u2027\u00a6trakt\u0259\u00a6nel\u0259\u0307d",
      "\""
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetractinellid from New Latin Tetractinellida; tetractinellidan from New Latin Tetractinellida + English -an":"Adjective"
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-005223"
  },
  "tetralone":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": either of two ketones C 10 H 10 O derived from tetrahydronaphthalene":[]
    },
    "pronounciation":[
      "\u02c8te\u2027tr\u0259\u02ccl\u014dn"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "International Scientific Vocabulary tetral in + -one":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-005233"
  },
  "Tetractinellida":{
    "type":[
      "plural noun"
    ],
    "definitions":{
      ": a subclass or other division of Demospongiae comprising sponges with siliceous 4-rayed spicules or sometimes with desmas or without spicules":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from Tetractina , a division of sponges in some classifications (from tetra- + -actina -actine) + -ella + -ida":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-005728"
  },
  "tetracyanoauric acid":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": cyanoauric acid":[]
    },
    "pronounciation":[
      "\u00a6te\u2027tr\u0259+-"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetra- + cyanoauric":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-005940"
  },
  "tetraodont":{
    "type":[
      "adjective",
      "noun"
    ],
    "definitions":{
      ": of or relating to the Tetraodontidae":[],
      ": a fish of the family Tetraodontidae":[]
    },
    "pronounciation":[
      "\"",
      "-\u02ccd\u00e4nt"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin Tetraodontidae":"Adjective"
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-010048"
  },
  "Tetraodontidae":{
    "type":[
      "plural noun"
    ],
    "definitions":{
      ": a family of tropical marine fishes comprising the puffer fishes and with the ocean sunfishes and a few other related forms constituting a distinct suborder of the Plectognathi":[]
    },
    "pronounciation":[
      "-r\u0113\u014d-",
      "\u02ccte\u2027tr\u0259\u014d\u02c8d\u00e4nt\u0259\u02ccd\u0113"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from Tetraodont-, Tetraodon , type genus + -idae":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-010553"
  },
  "Tetraodon":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a genus (the type of the family Tetraodontidae ) of tropical marine fishes":[]
    },
    "pronounciation":[
      "te\u2027\u02c8tr\u0101\u0259\u02ccd\u00e4n"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from tetra- + -odon":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-011509"
  },
  "Tetralophodon":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a genus of Pliocene mastodons having a very short lower jaw and long straight upper tusks":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from tetra- + loph- + -odon":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-011847"
  },
  "tetrasomaty":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": polysomatic octoploidy \u2014 compare polysomaty":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetra- + somat- + -y":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-012802"
  },
  "tetractinelline":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": tetractinellid":[]
    },
    "pronounciation":[
      "-l\u0259\u0307n"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin Tetractinellida + English -ine":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-014936"
  },
  "tetrapteron":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a four-winged insect":[]
    },
    "pronounciation":[
      "-\u0259\u02ccr\u00e4n"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from neuter of Greek tetrapteros having four wings":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-020118"
  },
  "tetralophodont":{
    "type":[
      "adjective",
      "noun"
    ],
    "definitions":{
      ": having four crests or ridges":[],
      ": having tetralophodont molars":[],
      ": of or relating to the genus Tetralophodon":[],
      ": a mastodon of the genus Tetralophodon":[]
    },
    "pronounciation":[
      "\"",
      "\u00a6te\u2027tr\u0259+"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "International Scientific Vocabulary tetra- + lophodont":"Adjective",
      "New Latin Tetralophodont-, Tetralophodon":"Adjective"
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-021355"
  },
  "tetrapterous":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": tetrapteran":[]
    },
    "pronounciation":[
      "-r\u0259s"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "Greek tetrapteros , from tetra- + -pteros -pterous":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-021409"
  },
  "tetraobol":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a silver coin of ancient Greece worth four obols":[]
    },
    "pronounciation":[
      "-\u02c8\u014d-",
      "\u02ccte-tr\u0259-\u02c8\u00e4-b\u0259l"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{
      "1884, in the meaning defined above":""
    },
    "time_of_retrieval":"20220713-021520"
  },
  "tetramer":{
    "type":[
      "adjective",
      "noun"
    ],
    "definitions":{
      ": a molecule (such as an enzyme or a polymer) that consists of four structural subunits (such as peptide chains or condensed monomers)":[]
    },
    "pronounciation":[
      "\u02c8te-tr\u0259-m\u0259r"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web",
      "The group might also be able to make foursomes of such atoms, known as tetramers , says Maren Mossman, a physicist at Washington State University in Pullman. \u2014 Elizabeth Gibney, Scientific American , 9 May 2018",
      "To tag immune cells carrying receptors for alder pollen, the team added customized fluorescent proteins known as MHCII tetramers to the patients\u2019 blood samples. \u2014 Mitch Leslie, Science | AAAS , 2 Aug. 2017"
    ],
    "history_and_etymology":{},
    "first_known_use":{
      "1929, in the meaning defined above":""
    },
    "time_of_retrieval":"20220713-024504"
  },
  "Tetrao":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a genus (the type of the family Tetraonidae ) of grouses now restricted to the capercaillie and closely related forms":[]
    },
    "pronounciation":[
      "-r\u0113\u02cc\u014d",
      "\u02c8te\u2027tr\u0259\u02cc\u014d"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from Latin, heath cock, moorfowl, from Greek tetra\u014dn (turtledove)":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-025902"
  },
  "Tetrapturus":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a genus of large, vigorous marine fishes (family Istiophoridae) including the spearfishes and some marlins \u2014 see striped marlin , white marlin":[]
    },
    "pronounciation":[
      "\u02ccte\u2027\u02cctrap\u02c8t(y)u\u0307r\u0259s"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from tetra- + pt er- + -urus":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-032418"
  },
  "Tetranychus":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a genus (the type of the family Tetranychidae ) of mites \u2014 see pacific mite":[]
    },
    "pronounciation":[
      "te\u2027\u02c8tran\u0259\u0307k\u0259s"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from tetra- + Greek -onychos -clawed (from onych-, onyx claw)":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-033420"
  },
  "Tetranychidae":{
    "type":[
      "plural noun"
    ],
    "definitions":{
      ": a family of medium-sized soft-bodied mites that have the movable chela of each chelicera modified into a long piercing organ, tenent hairs on the claws, and no genital suckers, that feed on plants and usually spin silken webs over the foliage, and that comprise the economically important red spiders":[]
    },
    "pronounciation":[
      "\u02ccte\u2027tr\u0259\u02c8nik\u0259\u02ccd\u0113"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from Tetranychus , type genus + -idae":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-035020"
  },
  "tetraptych":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": an arrangement of pictures in four parts (as for an altarpiece)":[]
    },
    "pronounciation":[
      "te\u2027\u02c8traptik"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "Greek tetraptychon , neuter of tetraptychos fourfold, from tetra- + -ptychos (akin to Greek ptych\u0113 fold, layer)":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-035214"
  },
  "tetrapylon":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": an edifice having four gates or portals (as one marking the intersection of two thoroughfares in an ancient Roman city)":[]
    },
    "pronounciation":[
      "\u00a6te\u2027tr\u0259+"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "Greek, from tetra- + pyl\u014dn gateway":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-035219"
  },
  "tetrapyrrole":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a chemical group consisting of four pyrrole rings joined either in a straight chain or in a ring (as in chlorophyll)":[]
    },
    "pronounciation":[
      "\u02ccte-tr\u0259-\u02c8pir-\u02cc\u014dl"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web",
      "Chlorophyll is actually a generic name for a member of the tetrapyrrole family of organic compounds. \u2014 Kevin Dayhoff, baltimoresun.com/maryland/carroll , 2 Oct. 2020"
    ],
    "history_and_etymology":{},
    "first_known_use":{
      "circa 1928, in the meaning defined above":""
    },
    "time_of_retrieval":"20220713-035438"
  },
  "tetraradiate":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": having four principal radii of symmetry":[
        "a tetraradiate sponge spicule"
      ]
    },
    "pronounciation":[
      "\u00a6te\u2027tr\u0259+"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetra- + radiate , adjective":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-035611"
  },
  "tetrarch":{
    "type":[
      "adjective",
      "noun"
    ],
    "definitions":{
      ": a governor of the fourth part of a province":[],
      ": a subordinate prince":[]
    },
    "pronounciation":[
      "\u02c8te-\u02cctr\u00e4rk",
      "\u02c8t\u0113-"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "Middle English, from Latin tetrarcha , from Greek tetrarch\u0113s , from tetra- + -arch\u0113s -arch":""
    },
    "first_known_use":{
      "12th century, in the meaning defined at sense 1":""
    },
    "time_of_retrieval":"20220713-035951"
  },
  "tetrarchate":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": tetrarchy":[]
    },
    "pronounciation":[
      "-r\u02cck\u0101t"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetrarch entry 1 + -ate":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-040148"
  },
  "tetranychid":{
    "type":[
      "adjective",
      "noun"
    ],
    "definitions":{
      ": of or relating to the Tetranychidae":[],
      ": a mite of the family Tetranychidae : red spider":[]
    },
    "pronounciation":[
      "te\u2027\u02c8tran\u0259k\u0259\u0307d",
      "\"",
      "\u00a6te\u2027tr\u0259\u00a6nik-"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin Tetranychidae":"Adjective"
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-040408"
  },
  "tetrarchy":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": government by four persons ruling jointly":[]
    },
    "pronounciation":[
      "\u02c8t\u0113-",
      "\u02c8te-\u02cctr\u00e4r-k\u0113"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web",
      "Emperor Diocletian tried to bring order by distributing power to a four-ruler tetrarchy that would govern the four quarters of the empire. \u2014 Kristin Baird Rattini, National Geographic , 25 Feb. 2019"
    ],
    "history_and_etymology":{},
    "first_known_use":{
      "15th century, in the meaning defined above":""
    },
    "time_of_retrieval":"20220713-041103"
  },
  "tetranuclear":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": containing four nuclei":[
        "tetranuclear cyanine dyes"
      ],
      "\u2014 compare tetracyclic":[
        "tetranuclear cyanine dyes"
      ]
    },
    "pronounciation":[
      "\u00a6te\u2027tr\u0259+"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetra- + nuclear":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-041406"
  },
  "tetranitromethane":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a volatile toxic liquid compound C(NO 2 ) 4 made usually by the action of nitric acid on acetic anhydride and used chiefly in very powerful liquid explosive mixtures":[]
    },
    "pronounciation":[
      "\"+"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "International Scientific Vocabulary tetranitro- + methane":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-041530"
  },
  "tetranitroaniline":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a powerful explosive C 6 H(NO 2 ) 4 NH 2 obtained as a yellow crystalline solid by nitrating aniline":[]
    },
    "pronounciation":[
      "\u00a6te\u2027tr\u0259\u00a6n\u012b\u02cctr\u014d+"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetranitro- + aniline":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220715-105614"
  },
  "tetranitro-":{
    "type":[
      "combining form"
    ],
    "definitions":{
      ": containing four nitro groups":[
        "\u2014 in names of chemical compounds"
      ]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "International Scientific Vocabulary tetra- + nitr-":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-041847"
  },
  "tetrandrous":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": having four stamens":[]
    },
    "pronounciation":[
      "-dr\u0259s"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "International Scientific Vocabulary tetra- + -androus":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-042528"
  },
  "tetrandrian":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": of or relating to the Tetrandria":[]
    },
    "pronounciation":[
      "-dr\u0113\u0259n"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin Tetrandria + English -an":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-042658"
  },
  "Tetrandria":{
    "type":[
      "plural noun"
    ],
    "definitions":{
      ": a class of higher plants comprising those with four stamens":[]
    },
    "pronounciation":[
      "te\u2027\u02c8trandr\u0113\u0259"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from tetra- + -andria":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-042715"
  },
  "tetramorphous":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": relating to or characterized by tetramorphism":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetra- + -morphous":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-043005"
  },
  "tetramorphism":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": the property of crystallizing in four distinct forms \u2014 compare polymorphism":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetra- + -morphism":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-043106"
  },
  "tetramorph":{
    "type":[
      "adjective",
      "noun"
    ],
    "definitions":{
      ": a representation of the four attributes of the Evangelists in a winged figure standing on winged fiery wheels with the wings covered with eyes":[]
    },
    "pronounciation":[
      "\u02c8te\u2027tr\u0259\u02ccm\u022frf"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "Greek tetramorphon , neuter of tetramorphos of four shapes, from tetra- + -morphos -morphous":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-043357"
  },
  "tetrammine":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": an ammine containing four molecules of ammonia \u2014 compare cuprammonium sense 1":[]
    },
    "pronounciation":[
      "te\u2027\u02c8tram\u0259\u0307n"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetra- + ammine":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-043402"
  },
  "tetramethylthiuram disulfide":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a crystalline irritating compound [(CH 3 ) 2 NCS] 2 S 2 made by oxidation of a salt of dimethyl-dithiocarbamic acid and used chiefly as an accelerator of rubber vulcanization and as a fungicide and seed disinfectant; bis-(dimethyl-thiocarbamoyl) disulfide":[
        "\u2014 abbreviation TMTD"
      ]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetramethyl + thiuram":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-043435"
  },
  "tetramethyllead":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a volatile poisonous liquid Pb(CH 3 ) 4 used especially formerly as an antiknock agent":[]
    },
    "pronounciation":[
      "\u02ccte-tr\u0259-\u02ccme-th\u0259l-\u02c8led"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{
      "1964, in the meaning defined above":""
    },
    "time_of_retrieval":"20220713-043515"
  },
  "tetramethylene glycol":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": butanediol sense b":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220713-043526"
  },
  "tetramethylenediamine":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": putrescine":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "International Scientific Vocabulary tetramethylene + diamine":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-043541"
  },
  "tetramethylene cyanide":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": adiponitrile":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220713-043550"
  },
  "tetramethylene":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a bivalent radical\u2212CH 2 CH 2 CH 2 CH 2 \u2212 containing four methylene groups":[],
      ": cyclobutane":[]
    },
    "pronounciation":[
      "\"+"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "International Scientific Vocabulary tetra- + methylene":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-043557"
  },
  "tetramethyl":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": containing four methyl groups in the molecule":[]
    },
    "pronounciation":[
      "\u00a6te\u2027tr\u0259+"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "International Scientific Vocabulary tetra- + methyl":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-043607"
  },
  "tetrameter":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a line of verse consisting either of four dipodies (as in classical iambic, trochaic, and anapestic verse) or four metrical feet (as in modern English verse)":[]
    },
    "pronounciation":[
      "te-\u02c8tra-m\u0259-t\u0259r"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "Greek tetrametron , from neuter of tetrametros having four measures, from tetra- + metron measure \u2014 more at measure":""
    },
    "first_known_use":{
      "1612, in the meaning defined above":""
    },
    "time_of_retrieval":"20220713-043659"
  },
  "tetrametaphosphate":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a cyclic tetrameric metaphosphate [as sodium tetrametaphosphate (NaPO 3 ) 4 ]":[]
    },
    "pronounciation":[
      "\u00a6te\u2027tr\u0259+"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "tetra- + metaphosphate":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-043740"
  },
  "tetramerous":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": having or characterized by the presence of four parts or of parts arranged in sets of four":[
        "tetramerous flowers"
      ]
    },
    "pronounciation":[
      "te-\u02c8tra-m\u0259-r\u0259s"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin tetramerus , from Greek tetramer\u0113s , from tetra- + meros part \u2014 more at merit entry 1":""
    },
    "first_known_use":{
      "1826, in the meaning defined above":""
    },
    "time_of_retrieval":"20220713-043751"
  },
  "tetramerism":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": the quality or state of being tetramerous":[]
    },
    "pronounciation":[
      "-\u0259\u02ccriz\u0259m"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220713-043800"
  },
  "tetrameric":{
    "type":[
      "adjective",
      "noun"
    ],
    "definitions":{
      ": a molecule (such as an enzyme or a polymer) that consists of four structural subunits (such as peptide chains or condensed monomers)":[]
    },
    "pronounciation":[
      "\u02c8te-tr\u0259-m\u0259r"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web",
      "The group might also be able to make foursomes of such atoms, known as tetramers , says Maren Mossman, a physicist at Washington State University in Pullman. \u2014 Elizabeth Gibney, Scientific American , 9 May 2018",
      "To tag immune cells carrying receptors for alder pollen, the team added customized fluorescent proteins known as MHCII tetramers to the patients\u2019 blood samples. \u2014 Mitch Leslie, Science | AAAS , 2 Aug. 2017"
    ],
    "history_and_etymology":{},
    "first_known_use":{
      "1929, in the meaning defined above":""
    },
    "time_of_retrieval":"20220713-043804"
  },
  "Tetrameres":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a genus of nematode worms (family Spiruridae) parasitic in the proventriculus of gallinaceous birds including domestic fowls":[]
    },
    "pronounciation":[
      "te\u2027\u02c8tram\u0259\u02ccr\u0113z"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from Greek tetramer\u0113s having four parts":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-043812"
  },
  "tetrameral":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": tetramerous":[]
    },
    "pronounciation":[
      "-m\u0259r\u0259l"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin tetramer us tetramerous + English -al":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-043815"
  }
}