{
  "pterygoid process":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a process extending downward from each side of the sphenoid bone in humans and other mammals":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{
      "1698, in the meaning defined above":""
    },
    "time_of_retrieval":"20220708-164616"
  },
  "pterygoid ridge":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a transverse ridge on the sphenoid bone marking the separation of the temporal and infratemporal fossae":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220708-204047"
  },
  "pterygoid bone":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a horizontally placed often more or less rodlike bone or group of bones of the upper jaw or roof of the mouth in most lower vertebrates connecting the palatine in front and the quadrate behind and forming part of the palatoquadrate arch":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220708-233559"
  },
  "pterygoid artery":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a branch of the internal maxillary artery supplying the pterygoid muscles":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220709-130017"
  },
  "pteropod":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": any of the opisthobranch mollusks comprising two orders (Thecosomata and Gymnosomata) and having the anterior lobes of the foot expanded into broad thin winglike swimming organs":[]
    },
    "pronounciation":[
      "\u02c8ter-\u0259-\u02ccp\u00e4d"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web",
      "Tiny swimming sea snails called pteropods that make up 40 percent of the diet of juvenile pink salmon already are showing extensive shell corrosion in both the Gulf of Alaska and Bering Sea. \u2014 Anchorage Daily News , 24 Mar. 2020",
      "Early victims of ocean acidification include pteropods , microscopic floating snails that make up a huge portion of the diets of juvenile pink salmon. \u2014 Anchorage Daily News , 15 Oct. 2019",
      "Mucous-mesh grazers include salps, pyrosomes, doliolids, pteropods and appendicularians. \u2014 Kelly Sutherland, Smithsonian , 3 May 2018",
      "Already, the shells of some animals are thinning, plankton are having trouble growing, and sea animals ranging from scallops to pteropods are dying out. \u2014 Sena Christian, Newsweek , 19 Nov. 2015"
    ],
    "history_and_etymology":{
      "New Latin Pteropoda , group name, from Greek pteron wing + New Latin -poda":""
    },
    "first_known_use":{
      "1833, in the meaning defined above":""
    },
    "time_of_retrieval":"20220715-104033"
  },
  "pterygoid":{
    "type":[
      "adjective",
      "noun"
    ],
    "definitions":{
      ": of, relating to, or lying in the region of the inferior part of the sphenoid bone of the vertebrate skull":[],
      ": a pterygoid part (such as a bone, muscle, or nerve)":[]
    },
    "pronounciation":[
      "\u02c8ter-\u0259-\u02ccg\u022fid"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin pterygoides , from Greek pterygoeid\u0113s , literally, shaped like a wing, from pteryg-, pteryx wing; akin to Greek pteron wing \u2014 more at feather":"Adjective"
    },
    "first_known_use":{
      "1694, in the meaning defined above":"Adjective",
      "1822, in the meaning defined above":"Noun"
    },
    "time_of_retrieval":"20220710-132821"
  },
  "pterygophore":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": actinost":[]
    },
    "pronounciation":[
      "t\u0259\u02c8rig\u0259\u02ccf\u014d(\u0259)r",
      "\u02c8ter\u0259g\u014d\u02ccf-"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "pteryg- + -phore":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220710-173550"
  },
  "Pteropoda":{
    "type":[
      "plural noun"
    ],
    "definitions":{
      ": a division of Tectibranchia formerly ranked as a separate class of Mollusca comprising small hermaphroditic gastropod mollusks having the anterior lobes of the foot developed in the form of broad thin winglike organs with which they swim at or near the surface of the sea, usually lacking gills, and frequently lacking a shell":[]
    },
    "pronounciation":[
      "te\u02c8r-",
      "t\u0259\u02c8r\u00e4p\u0259d\u0259"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from pter- + -poda":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220711-005130"
  },
  "Pteropodidae":{
    "type":[
      "plural noun"
    ],
    "definitions":{
      ": a family of fruit bats coextensive with the suborder Megachiroptera":[]
    },
    "pronounciation":[
      "\u02ccter\u0259\u02c8p\u00e4d\u0259\u02ccd\u0113"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from Pteropod-, Pteropus , type genus + -idae":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220711-140209"
  },
  "pterygopodium":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a clasper of an elasmobranch":[]
    },
    "pronounciation":[
      "\u02ccter\u0259g\u014d\u02c8p\u014dd\u0113\u0259m"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from pteryg- + -podium":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220711-193757"
  },
  "pterygoquadrate":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": of, relating to, or constituting the upper half of the first branchial arch that gives rise in lower vertebrates to most of the upper jaw":[]
    },
    "pronounciation":[
      "\u00a6ter\u0259(\u02cc)g\u014d+"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "pteryg- + quadrate":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220711-203648"
  },
  "pterylosis":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": the arrangement of feathers in definite areas of growth":[
        "birds \u2026 at least three years old judging from the pterylosis of the head",
        "\u2014 American Midland Naturalist"
      ]
    },
    "pronounciation":[
      "\u02ccter\u0259\u02c8l\u014ds\u0259\u0307s"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from pteryla + -osis":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220711-203753"
  },
  "pterygosomal":{
    "type":[
      "adjective",
      "noun"
    ],
    "definitions":{
      ": a mite of the family Pterygosomidae":[],
      ": of or relating to the Pterygosomidae":[]
    },
    "pronounciation":[
      "\"",
      "+\u00a6s\u014dm\u0259l"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin Pterygosoma + English -al":"Noun"
    },
    "first_known_use":{},
    "time_of_retrieval":"20220711-221819"
  },
  "pteropodium":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a pteropod's foot":[]
    },
    "pronounciation":[
      "\u02ccter\u0259\u02c8p\u014dd\u0113\u0259m"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin pterop- (from Pteropoda ) + -podium":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220711-230600"
  },
  "PTE":{
    "type":[
      "abbreviation"
    ],
    "definitions":{
      "private":[],
      "pass-through entity":[
        "\u2026 thought they would receive a significant tax cut on pass-through entity ( PTE ) business income \u2026",
        "\u2014 Robert A. Green"
      ]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220712-005511"
  },
  "Ptelea":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a small genus of North American shrubs or small trees (family Rutaceae) having 3- to 5-foliolate leaves and panicles of small greenish flowers with 4 or 5 imbricated petals and a rounded samara \u2014 see hop tree":[]
    },
    "pronounciation":[
      "\u02c8tel\u0113\u0259",
      "\u02c8t\u0113l-"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from Greek ptelea elm; perhaps akin to Latin tilia linden":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220715-092618"
  },
  "pteropodous":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": of or relating to the Pteropoda":[]
    },
    "pronounciation":[
      "(\u02c8)te\u00a6r-",
      "t\u0259\u02c8r\u00e4p\u0259d\u0259s"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin Pteropoda + English -ous":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-015959"
  },
  "pteropsid":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a plant of the subdivision Pteropsida":[]
    },
    "pronounciation":[
      "t\u0259\u02c8r\u00e4ps\u0259\u0307d",
      "te\u02c8r-"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin Pteropsida":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-024228"
  },
  "Pterygosomidae":{
    "type":[
      "plural noun"
    ],
    "definitions":{
      ": a family of mites mostly parasitic on lizards":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from Pterygosoma , type genus (from pteryg- + -soma ) + -idae":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-045001"
  },
  "Pteropsida":{
    "type":[
      "plural noun"
    ],
    "definitions":{
      ": a subdivision of Tracheophyta comprising vascular plants (as the ferns and flowering plants) with well-developed and typically large leaves, leaf gaps usually present in the primary vascular cylinder, and sporangia abaxial on normal or modified leaves and including the classes Filicineae, Gymnospermae, and Angiospermae \u2014 compare lycopsida , psilopsida , sphenopsida":[]
    },
    "pronounciation":[
      "-s\u0259d\u0259"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from Pteropsis , genus of ferns (from pter- + -opsis ) + -ida":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-045919"
  },
  "Pterygota":{
    "type":[
      "plural noun"
    ],
    "definitions":{
      ": a subclass of Insecta consisting of the winged and secondarily wingless insects \u2014 compare apterygota":[]
    },
    "pronounciation":[
      "\u02ccter\u0259\u02c8g\u014dt\u0259"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from Greek, neuter plural of pteryg\u014dtos winged, from pteryg-, pteryx wing":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-050131"
  },
  "pte":{
    "type":[
      "abbreviation"
    ],
    "definitions":{
      "private":[],
      "pass-through entity":[
        "\u2026 thought they would receive a significant tax cut on pass-through entity ( PTE ) business income \u2026",
        "\u2014 Robert A. Green"
      ]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220712-050639"
  },
  "Pteropus":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": the type genus of Pteropodidae comprising the common fruit bats":[]
    },
    "pronounciation":[
      "\u02c8ter\u0259p\u0259s"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from Greek pteropous wing-footed, from pter- + pous foot":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-103216"
  },
  "pterylology":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": the study of pterylosis":[]
    },
    "pronounciation":[
      "\u02ccter\u0259\u02c8l\u00e4l\u0259j\u0113"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin pterylo sis + -logy":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-111618"
  },
  "pterosaur":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": any of an order (Pterosauria) of extinct flying reptiles existing from the Late Triassic throughout the Jurassic and most of the Cretaceous and having a featherless wing membrane extending from the side of the body along the arm to the end of the greatly elongated fourth digit":[]
    },
    "pronounciation":[
      "\u02c8ter-\u0259-\u02ccs\u022fr"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web",
      "But the pterosaur skeletal fossils are equally astonishing in and of themselves. \u2014 Jeanne Timmons, Ars Technica , 6 June 2022",
      "Further analysis of the fossil found that the feathers on the pterosaur may have been inherited from an ancestor common to both dinosaurs and pterosaurs. \u2014 Elizabeth Gamillo, Smithsonian Magazine , 21 Apr. 2022",
      "There are over 200 species of pterosaur , ranging from the 16-foot-tall Quetzalcoatlus to the sparrow-sized Anurognathus. \u2014 Corryn Wetzel, Smithsonian Magazine , 11 Aug. 2021",
      "Later work concluded Marsh had found some of the first pterosaur fossils in North America. \u2014 Mark Fischetti, Scientific American , 26 Apr. 2022",
      "Found in northeast Brazil, this type of pterosaur had a wingspan of 16 feet and was known for its huge headcrest. \u2014 Jordan Mendoza, USA TODAY , 21 Apr. 2022",
      "There has also been some academic debate about whether pterosaur fuzz represents true feathers or featherlike pycnofibers. \u2014 Riley Black, Scientific American , 20 Apr. 2022",
      "The partial skull, more precisely, is the pterosaur \u2019s crest. \u2014 NBC News , 20 Apr. 2022",
      "Though this area of paleontology is still new, previous pterosaur studies only found homogenous melanosome shapes in their tissues. \u2014 Riley Black, Scientific American , 20 Apr. 2022"
    ],
    "history_and_etymology":{
      "New Latin Pterosauria , from Greek pteron wing + sauros lizard":""
    },
    "first_known_use":{
      "1863, in the meaning defined above":""
    },
    "time_of_retrieval":"20220712-122816"
  },
  "Pterosauria":{
    "type":[
      "plural noun"
    ],
    "definitions":{
      ": an order of Archosauria comprising flying reptiles flourishing from the Jurassic to late Cretaceous times and including the pterodactyls and related forms":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from pter- + -sauria":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-134439"
  },
  "Ptenoglossa":{
    "type":[
      "adjective",
      "plural noun"
    ],
    "definitions":{
      ": a division of Pectinibranchia comprising the gastropod families Janthinidae and Epitoniidae in which the median tooth is very small or wanting and the lateral teeth are strong and hooked and largest at the outside of each row":[]
    },
    "pronounciation":[
      "\u02ccten\u0259\u02c8gl\u00e4s\u0259",
      "-l\u022fs\u0259",
      "\u02cct\u0113n-"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from Greek pt\u0113nos winged (akin to Greek petesthai to fly) + New Latin -glossa":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-144154"
  },
  "pterygote":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": of or relating to the subclass Pterygota":[]
    },
    "pronounciation":[
      "\u02c8ter\u0259\u02ccg\u014dt"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "pterygote from New Latin Pterygota; pterygotous from New Latin Pterygota + English -ous":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-144748"
  },
  "pteryla":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": one of the definite areas of the skin of a bird on which feathers grow":[]
    },
    "pronounciation":[
      "\u02c8ter-\u0259-l\u0259"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from Greek pteron + hyl\u0113 wood, forest":""
    },
    "first_known_use":{
      "1867, in the meaning defined above":""
    },
    "time_of_retrieval":"20220712-145038"
  },
  "pteridology":{
    "type":[
      "adjective",
      "noun"
    ],
    "definitions":{
      ": the study of ferns":[]
    },
    "pronounciation":[
      "\u02ccter-\u0259-\u02c8d\u00e4-l\u0259-j\u0113"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{
      "1855, in the meaning defined above":""
    },
    "time_of_retrieval":"20220712-145951"
  },
  "pterylological":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": of or relating to pterylology":[]
    },
    "pronounciation":[
      "\u00a6ter\u0259l\u014d\u00a6l\u00e4j\u0259\u0307k\u0259l"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "pterylology + -ical":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-150137"
  },
  "pteridoid":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": of, relating to, or resembling a fern":[]
    },
    "pronounciation":[
      "\u02c8ter\u0259\u02ccd\u022fid"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "pterid- + -oid":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-150716"
  },
  "pteridography":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": the description of ferns":[]
    },
    "pronounciation":[
      "\u02ccter\u0259\u02c8d\u00e4gr\u0259f\u0113"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "International Scientific Vocabulary pterid- + -graphy":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-164425"
  },
  "Pteridium":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a genus of ferns that are related to and sometimes included in Pteris and that have in addition to the false indusium formed by the frond margin a true indusium on the inner side of the sori \u2014 see bracken":[]
    },
    "pronounciation":[
      "te\u02c8r-",
      "t\u0259\u02c8rid\u0113\u0259m"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from Pterid-, Pteris + -ium":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-165137"
  },
  "pterylographic":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": of or relating to pterylography":[]
    },
    "pronounciation":[
      "\u00a6ter\u0259l\u014d\u00a6grafik"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "pterylography + -ic or -ical":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-173234"
  },
  "Pteris":{
    "type":[
      "noun",
      "noun combining form"
    ],
    "definitions":{
      ": a genus of coarse ferns (family Polypodiaceae) having variously divided or rarely simple fronds with a marginal linear continuous sorus and an indusium composed of the reflexed margin of the frond \u2014 see pteridium":[],
      ": ribbon fern":[],
      ": fern":[
        "\u2014 in generic names Glosso pteris Ornitho pteris"
      ]
    },
    "pronounciation":[
      "\u02c8tir-",
      "\u02c8ter\u0259\u0307s",
      "pt(\u0259)r\u0259\u0307s"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from Greek pterid-, pteris fern; akin to Greek pteron feather, wing":"Noun",
      "New Latin, from Greek, from pteris":"Noun combining form"
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-182630"
  },
  "pterylography":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": the study or description of the pterylae of birds":[]
    },
    "pronounciation":[
      "\u02ccter\u0259\u02c8l\u00e4gr\u0259f\u0113"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "International Scientific Vocabulary pterylo- (from New Latin pteryla ) + -graphy ; originally formed as German pterylographie":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-185349"
  },
  "Pterospermum":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a genus of shrubs and trees (family Sterculiaceae) of southeastern Asia and the East Indies including several that yield economically important timbers \u2014 see mayeng":[]
    },
    "pronounciation":[
      "-\u02c8sp\u0259rm\u0259m"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from pter- + -spermum":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-193024"
  },
  "ptero-":{
    "type":[],
    "definitions":{
      "\u2014 see pter-":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220712-193238"
  },
  "pteridine":{
    "type":[
      "noun"
    ],
    "definitions":{},
    "pronounciation":[
      "\u02c8ter-\u0259-\u02ccd\u0113n"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "International Scientific Vocabulary pter in + -idine":""
    },
    "first_known_use":{
      "1943, in the meaning defined above":""
    },
    "time_of_retrieval":"20220712-193506"
  },
  "pterins":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": any of various compounds that contain the bicyclic ring system characteristic of pteridine":[]
    },
    "pronounciation":[
      "\u02c8ter-\u0259n"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "International Scientific Vocabulary pter- (from Greek pteron wing) + -in entry 1 ; from its being a factor in the pigments of butterfly wings":""
    },
    "first_known_use":{
      "1934, in the meaning defined above":""
    },
    "time_of_retrieval":"20220712-195126"
  },
  "Pteridophyta":{
    "type":[
      "plural noun"
    ],
    "definitions":{
      ": a division of vascular plants coordinate with Bryophyta and Spermatophyta and coextensive with the subdivisions Psilopsida, Lycopsida, Sphenopsida and the class Filicineae of the Pteropsida":[]
    },
    "pronounciation":[
      "\u02ccter\u0259\u02c8d\u00e4f\u0259t\u0259"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from pterid- + -phyta":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-201025"
  },
  "pter-":{
    "type":[
      "combining form"
    ],
    "definitions":{
      ": feather : wing":[
        "pter idium",
        "ptero dactyl"
      ]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from Greek, from pteron":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-204015"
  },
  "pterin":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": any of various compounds that contain the bicyclic ring system characteristic of pteridine":[]
    },
    "pronounciation":[
      "\u02c8ter-\u0259n"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "International Scientific Vocabulary pter- (from Greek pteron wing) + -in entry 1 ; from its being a factor in the pigments of butterfly wings":""
    },
    "first_known_use":{
      "1934, in the meaning defined above":""
    },
    "time_of_retrieval":"20220712-212710"
  },
  "pteralium":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a sclerite in the articular region of an insect's wing":[]
    },
    "pronounciation":[
      "t\u0259\u02c8r\u0101l\u0113\u0259m",
      "te\u02c8r-"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, irregular from Greek pteron feather, wing":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-214425"
  },
  "pterylae":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": one of the definite areas of the skin of a bird on which feathers grow":[]
    },
    "pronounciation":[
      "\u02c8ter-\u0259-l\u0259"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from Greek pteron + hyl\u0113 wood, forest":""
    },
    "first_known_use":{
      "1867, in the meaning defined above":""
    },
    "time_of_retrieval":"20220712-214428"
  },
  "pterobranch":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a member of the order Pterobranchia":[]
    },
    "pronounciation":[
      "\u02c8ter\u0259\u02ccbra\u014bk"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin Pterobranchia":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-215816"
  },
  "pteridophyte":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": any of a division (Pteridophyta) of vascular plants (such as a fern) that have roots, stems, and leaves but lack flowers or seeds":[]
    },
    "pronounciation":[
      "\u02c8ter-\u0259-d\u014d-",
      "t\u0259-\u02c8ri-d\u0259-\u02ccf\u012bt"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin Pteridophyta , from Greek pterid- + phyton plant \u2014 more at phyto-":""
    },
    "first_known_use":{
      "1880, in the meaning defined above":""
    },
    "time_of_retrieval":"20220712-221521"
  },
  "pterideous":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": of or relating to Pteris or a closely related genus":[]
    },
    "pronounciation":[
      "t\u0259\u02c8rid\u0113\u0259s",
      "(\u02c8)te\u00a6r-"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from Pterid-, Pteris + English -eous":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-222216"
  },
  "Pteriidae":{
    "type":[
      "plural noun"
    ],
    "definitions":{
      ": a family of bivalve mollusks (group Pectinaceae) most prominent in the Paleozoic and surviving chiefly in warm seas, including the pearl oysters, and having the right valve smaller and lower, the hinge line long and straight, the shell attached by a byssus, and the foot reduced":[]
    },
    "pronounciation":[
      "t\u0259\u02c8r\u012b\u0259\u02ccd\u0113",
      "te\u02c8r-"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from Pteria , type genus (from pter- + -ia ) + -idae":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-223851"
  },
  "Pterobranchia":{
    "type":[
      "plural noun"
    ],
    "definitions":{
      ": an order of Hemichordata or an independent phylum of uncertain affinities that comprises two genera ( Cephalodiscus and Rhabdopleura ) of small deep-sea tube-dwelling animals that commonly reproduce by budding":[]
    },
    "pronounciation":[
      "\u02ccter\u0259\u02c8bra\u014bk\u0113\u0259"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from pter- + -branchia":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-224106"
  },
  "Pteridospermaphyta":{
    "type":[
      "adjective",
      "plural noun"
    ],
    "definitions":{
      ": a group of fossil plants coextensive with the order Cycadofilicales but treated as coordinate with Gymnospermae and Angiospermae":[]
    },
    "pronounciation":[
      "\u00a6ter\u0259(\u02cc)d\u014d+"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from pterid- + Spermaphyta":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220712-224547"
  },
  "pteridophytic":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": of, relating to, or characteristic of the Pteridophyta":[]
    },
    "pronounciation":[
      "t\u0259\u00a6rid\u0259\u00a6fitik",
      "\u00a6ter\u0259d-"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin Pteridophyta + English -ic or -ous":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-000205"
  },
  "pterid-":{
    "type":[
      "combining form"
    ],
    "definitions":{
      ": fern":[
        "pterido logy"
      ]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "Greek pterid-, pteris ; akin to Greek pteron wing, feather":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-001121"
  },
  "Pterichthyodes":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a genus of ostracoderms (subclass Antiarcha) from the Devonian rocks of Scotland having the head covered with bony plates and bearing the orbits close together on its dorsal surface with the anterior half of the body encased in a buckler of large bony plates":[]
    },
    "pronounciation":[
      "t\u0259\u02ccrikth\u0113\u02c8\u014d(\u02cc)d\u0113z",
      "(\u02cc)te\u02ccr-"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from pter- + ichthy- + -odes":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-003129"
  },
  "pteric":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": of, relating to, or resembling a wing":[]
    },
    "pronounciation":[
      "\u02c8terik"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "International Scientific Vocabulary pter- + -ic":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-003913"
  },
  "pterocarpous":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": having winged fruit":[]
    },
    "pronounciation":[
      "\u00a6ter\u0259\u00a6k\u00e4rp\u0259s"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "pter- + -carpous":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-004020"
  },
  "Pteretis":{
    "type":[],
    "definitions":{
      "\u2014 taxonomic synonym of matteuccia":[]
    },
    "pronounciation":[
      "t\u0259\u02c8r\u0113t\u0259\u0307s"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, irregular from pteris fern":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-004304"
  },
  "pterergate":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": an abnormal worker ant with minute wings":[]
    },
    "pronounciation":[
      "(\u02c8)ter +",
      "t\u0259r"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "pter- + ergate":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220715-094312"
  },
  "pteranodon":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": any of a genus ( Pteranodon ) of Cretaceous pterosaurs having a backwardly directed bony crest on the skull and a wingspan of about 25 feet (7.7 meters)":[]
    },
    "pronounciation":[
      "t\u0259-\u02c8ra-n\u0259-\u02ccd\u00e4n",
      "-\u02c8r\u00e4-"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web",
      "Inside, the skeleton of a great winged pteranodon hangs suspended from the ceiling. \u2014 Eric Adler And Steve Vockrodt, kansascity , 18 May 2018",
      "As part of a makeover of the central hall in the museum\u2019s 125th anniversary year, the two-story tall titanosaur will be surrounded by flying reptile models such as pteranodons , and a new hanging garden will occupy nearby airspace. \u2014 Steve Johnson, chicagotribune.com , 11 May 2018",
      "Inside, the skeleton of a great winged pteranodon hangs suspended from the ceiling. \u2014 Eric Adler And Steve Vockrodt, kansascity , 18 May 2018",
      "As part of a makeover of the central hall in the museum\u2019s 125th anniversary year, the two-story tall titanosaur will be surrounded by flying reptile models such as pteranodons , and a new hanging garden will occupy nearby airspace. \u2014 Steve Johnson, chicagotribune.com , 11 May 2018",
      "Kids will swoon over Baltazar\u2019s illustrations of World War II fighters strafing robots as pteranodons swoop by. \u2014 Adam Gidwitz, New York Times , 15 Dec. 2017"
    ],
    "history_and_etymology":{
      "New Latin, from Greek pteron wing + anod\u014dn toothless from an- + od\u014dn, odous tooth \u2014 more at feather , tooth":""
    },
    "first_known_use":{
      "1876, in the meaning defined above":""
    },
    "time_of_retrieval":"20220713-011516"
  },
  "Pterocarpus":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a genus of tropical trees (family Leguminosae) with alternate pinnate leaves, yellow flowers, and a broad legume having a membranous-winged margin \u2014 see kino":[]
    },
    "pronounciation":[
      "\u02ccter\u0259\u02c8k\u00e4rp\u0259s"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from pter- + -carpus":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-011708"
  },
  "pteranodont":{
    "type":[
      "adjective",
      "noun"
    ],
    "definitions":{
      ": of or relating to Pteranodon or a closely related genus":[],
      ": pteranodon sense 2":[]
    },
    "pronounciation":[
      "-nt",
      "\""
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin Pteranodont-, Pteranodon":"Adjective"
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-012015"
  },
  "Pteraspis":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": the type genus of Pteraspidae comprising small ostracoderms in which the dorsal armor is made up of 7 large plates":[]
    },
    "pronounciation":[
      "-p\u0259\u0307s"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from pter- + -aspis":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-012018"
  },
  "Pterostemon":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a genus of Mexican shrubs (family Saxifragaceae) having pubescent twigs, alternate dentate leaves, showy white perfect flowers in cymes, and capsular fruit":[]
    },
    "pronounciation":[
      "-\u02c8st\u0113m\u0259n"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from pter- + Greek st\u0113m\u014dn warp, thread":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-012418"
  },
  "pterostigma":{
    "type":[
      "adjective",
      "noun"
    ],
    "definitions":{
      ": an opaque thickened spot on the costal margin of the wing of an insect":[]
    },
    "pronounciation":[
      "\u02ccter\u0259+"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from pter- + Latin stigma":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-012507"
  },
  "pteridosperm":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": seed fern":[]
    },
    "pronounciation":[
      "t\u0259-\u02c8ri-d\u0259-\u02ccsp\u0259rm",
      "\u02c8ter-\u0259-d\u014d-"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "International Scientific Vocabulary":""
    },
    "first_known_use":{
      "1904, in the meaning defined above":""
    },
    "time_of_retrieval":"20220713-012800"
  },
  "Pterocarya":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a genus of Asiatic trees (family Juglandaceae) having thin-shelled nuts subtended by bracteoles that become enlarged in the two-winged fruit":[]
    },
    "pronounciation":[
      "-\u02c8ka(a)r\u0113\u0259"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from pter- + Greek karya nut tree, from karyon nut":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-012835"
  },
  "pterosaurs":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": any of an order (Pterosauria) of extinct flying reptiles existing from the Late Triassic throughout the Jurassic and most of the Cretaceous and having a featherless wing membrane extending from the side of the body along the arm to the end of the greatly elongated fourth digit":[]
    },
    "pronounciation":[
      "\u02c8ter-\u0259-\u02ccs\u022fr"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web",
      "But the pterosaur skeletal fossils are equally astonishing in and of themselves. \u2014 Jeanne Timmons, Ars Technica , 6 June 2022",
      "Further analysis of the fossil found that the feathers on the pterosaur may have been inherited from an ancestor common to both dinosaurs and pterosaurs. \u2014 Elizabeth Gamillo, Smithsonian Magazine , 21 Apr. 2022",
      "There are over 200 species of pterosaur , ranging from the 16-foot-tall Quetzalcoatlus to the sparrow-sized Anurognathus. \u2014 Corryn Wetzel, Smithsonian Magazine , 11 Aug. 2021",
      "Later work concluded Marsh had found some of the first pterosaur fossils in North America. \u2014 Mark Fischetti, Scientific American , 26 Apr. 2022",
      "Found in northeast Brazil, this type of pterosaur had a wingspan of 16 feet and was known for its huge headcrest. \u2014 Jordan Mendoza, USA TODAY , 21 Apr. 2022",
      "There has also been some academic debate about whether pterosaur fuzz represents true feathers or featherlike pycnofibers. \u2014 Riley Black, Scientific American , 20 Apr. 2022",
      "The partial skull, more precisely, is the pterosaur \u2019s crest. \u2014 NBC News , 20 Apr. 2022",
      "Though this area of paleontology is still new, previous pterosaur studies only found homogenous melanosome shapes in their tissues. \u2014 Riley Black, Scientific American , 20 Apr. 2022"
    ],
    "history_and_etymology":{
      "New Latin Pterosauria , from Greek pteron wing + sauros lizard":""
    },
    "first_known_use":{
      "1863, in the meaning defined above":""
    },
    "time_of_retrieval":"20220713-015432"
  },
  "pterotheca":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": the part of the pupa case that covers the rudimentary wing of an insect":[]
    },
    "pronounciation":[
      "\u00a6ter\u0259+"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from pter- + theca":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-015436"
  },
  "Pteraspidae":{
    "type":[
      "plural noun"
    ],
    "definitions":{
      ": a family of widespread Silurian and Lower Devonian ostracoderms (class Heterostraci) \u2014 see pteraspis":[]
    },
    "pronounciation":[
      "-p\u0259\u02ccd\u0113"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from Pteraspid-, Pteraspis , type genus + -idae":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-015452"
  },
  "Pterocaulon":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a small genus of vigorous woolly or downy perennial herbs (family Compositae) with alternate decurrent leaves and flower heads in dense terminal clusters \u2014 see black root , golden cudweed":[]
    },
    "pronounciation":[
      "-\u02ccl\u00e4n",
      "\u02ccter\u0259\u02c8k\u022fl\u0259n"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from pter- + -caulon (from Greek kaulos stem, stalk":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-015856"
  },
  "pteraspid":{
    "type":[
      "adjective",
      "noun"
    ],
    "definitions":{
      ": of or relating to the Pteraspidae":[],
      ": an ostracoderm of the family Pteraspidae":[]
    },
    "pronounciation":[
      "-\u02c8rasp\u0259\u0307d",
      "\""
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin Pteraspidae":"Adjective"
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-022703"
  },
  "pterothorax":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": the mesothorax and metathorax of an insect":[]
    },
    "pronounciation":[
      "\"+"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from pter- + thorax ; from its being the wing-bearing segment":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-025958"
  },
  "pterotic":{
    "type":[
      "adjective",
      "noun"
    ],
    "definitions":{
      ": of, relating to, or constituting a bone between the prootic and epiotic in the dorsal and outer part of the periotic capsule of a fish":[],
      ": the pterotic bone":[]
    },
    "pronounciation":[
      "t\u0259\u02c8r\u00e4tik",
      "\"",
      "(\u02c8)te\u00a6r-"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "pter- + -otic entry 2 ; from the bone being winglike":"Adjective"
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-031053"
  },
  "pteroyl":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": the radical (C 13 H 11 N 6 O)CO\u2212 of pteroic acid":[]
    },
    "pronounciation":[
      "-\u02ccwil",
      "\u02c8t\u0259r\u0259w\u0259\u0307l"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "pter- (in pteroic acid ) + -yl":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-032858"
  },
  "pteroylglutamic acid":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": folic acid":[]
    },
    "pronounciation":[
      "\u02ccter-\u0259-\u02ccwil-gl\u00fc-\u02cctam-ik-",
      "\u02ccter-\u0259-\u02ccwil-gl\u00fc-\u02c8ta-mik-"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "International Scientific Vocabulary pteroyl , the radical (C 13 H 11 N 6 O)CO + glutamic acid":""
    },
    "first_known_use":{
      "1943, in the meaning defined above":""
    },
    "time_of_retrieval":"20220713-033201"
  },
  "pteroylmonoglutamic acid":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": folic acid sense 1":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "pteroylmonoglutamic from pteroyl + mon- + glutamic":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-034550"
  },
  "pteryg-":{
    "type":[
      "combining form"
    ],
    "definitions":{
      ": wing : fin":[
        "pterygo blast",
        "pterygo branchiate"
      ],
      ": pterygoid and":[
        "pterygo malar"
      ]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "Greek, from pteryg-, pteryx ; akin to Greek pteron wing, feather":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-035341"
  },
  "pterygial":{
    "type":[
      "adjective",
      "noun"
    ],
    "definitions":{
      ": of or relating to a pterygium":[]
    },
    "pronounciation":[
      "t\u0259\u02c8rij(\u0113)\u0259l",
      "\"",
      "(\u02c8)te\u00a6r-"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin pteryg ium + English -al":"Adjective"
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-035929"
  },
  "pterygium":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a fleshy mass of thickened conjunctiva that grows over part of the cornea usually from the inner side of the eyeball and causes a disturbance of vision":[]
    },
    "pronounciation":[
      "te-\u02c8rij-\u0113-\u0259m",
      "te-\u02c8ri-j\u0113-\u0259m"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web",
      "And so the Paralympian \u2014 who was born with popliteal pterygium syndrome and is a double above-knee amputee \u2014 took him up on the offer. \u2014 Lindsay Kimble, PEOPLE.com , 14 Aug. 2020",
      "Handler explained that a pterygium can extend onto the cornea, affecting vision. \u2014 Beth Wood, San Diego Union-Tribune , 24 June 2019",
      "Other eye conditions are related to UV exposure, including the noncancerous growths known as pinguecula and pterygium . \u2014 Jill U. Adams, courant.com , 31 May 2018",
      "Other eye conditions are related to UV exposure, including the noncancerous growths known as pinguecula and pterygium . \u2014 Jill U. Adams, courant.com , 31 May 2018",
      "Other eye conditions are related to UV exposure, including the noncancerous growths known as pinguecula and pterygium . \u2014 Jill U. Adams, courant.com , 31 May 2018",
      "Other eye conditions are related to UV exposure, including the noncancerous growths known as pinguecula and pterygium . \u2014 Jill U. Adams, courant.com , 31 May 2018",
      "Other eye conditions are related to UV exposure, including the noncancerous growths known as pinguecula and pterygium . \u2014 Jill U. Adams, courant.com , 31 May 2018",
      "Ultraviolet rays may play a role in the development of cataracts as well as growths on the surface of the eye called pterygiums , which can impede your vision. \u2014 Amanda Gardner, Health.com , 13 June 2018"
    ],
    "history_and_etymology":{
      "New Latin, from Greek pterygion little wing, from pteryx":""
    },
    "first_known_use":{
      "1562, in the meaning defined above":""
    },
    "time_of_retrieval":"20220713-040739"
  },
  "pterygiophore":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": one of the cartilaginous or bony elements (as basalia and radialia) by which rays of the fin of a fish are supported : actinost":[]
    },
    "pronounciation":[
      "t\u0259\u02c8rij\u0113\u0259\u02ccf\u014d(\u0259)r",
      "te\u02c8r-"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "pteryg- + -phore":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-041118"
  },
  "pterygobranchiate":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": having plumose gills":[
        "\u2014 used of an isopod crustacean"
      ]
    },
    "pronounciation":[
      "\u00a6ter\u0259\u0307g\u014d+"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "pteryg- + branchiate":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-041156"
  },
  "pterygode":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": patagium sense 2a":[]
    },
    "pronounciation":[
      "\u02c8ter\u0259\u02ccg\u014dd"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin pterygoda":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-041748"
  },
  "pterygodum":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": patagium sense 2a":[]
    },
    "pronounciation":[
      "\u02ccter\u0259\u02c8g\u014dd\u0259m"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from Greek pteryg\u014dd\u0113s winglike, from pteryg- + -\u014dd\u0113s -ode":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220713-041844"
  }
}