dict_dl/en_MerriamWebster/rad_MW.json

{
  "Radcliffe":{
    "antonyms":[],
    "definitions":{
      "Ann 1764\u20131823 n\u00e9e Ward English novelist":[]
    },
    "examples":[],
    "first_known_use":{},
    "history_and_etymology":{},
    "pronounciation":[
      "\u02c8rad-\u02ccklif"
    ],
    "synonym_discussion":"",
    "synonyms":[],
    "time_of_retrieval":"20220707-003645",
    "type":[
      "biographical name"
    ]
  },
  "Radetzky":{
    "antonyms":[],
    "definitions":{
      "Joseph 1766\u20131858 Graf Radetzky von Radetz Austrian field marshal":[]
    },
    "examples":[],
    "first_known_use":{},
    "history_and_etymology":{},
    "pronounciation":[
      "r\u0259-\u02c8det-sk\u0113"
    ],
    "synonym_discussion":"",
    "synonyms":[],
    "time_of_retrieval":"20220707-102518",
    "type":[
      "biographical name"
    ]
  },
  "radar telescope":{
    "antonyms":[],
    "definitions":{
      ": a radar transmitter-receiver with an antenna for use in radar astronomy":[]
    },
    "examples":[],
    "first_known_use":{},
    "history_and_etymology":{},
    "pronounciation":[],
    "synonym_discussion":"",
    "synonyms":[],
    "time_of_retrieval":"20220707-175932",
    "type":[
      "noun"
    ]
  },
  "radarscope":{
    "antonyms":[],
    "definitions":{
      ": the oscilloscope or screen serving as the visual indicator in a radar receiver":[]
    },
    "examples":[],
    "first_known_use":{
      "1945, in the meaning defined above":""
    },
    "history_and_etymology":{
      "radar + oscillo scope":""
    },
    "pronounciation":[
      "\u02c8r\u0101-\u02ccd\u00e4r-\u02ccsk\u014dp"
    ],
    "synonym_discussion":"",
    "synonyms":[],
    "time_of_retrieval":"20220706-112255",
    "type":[
      "noun"
    ]
  },
  "raddle":{
    "antonyms":[],
    "definitions":{
      ": red ocher":[],
      ": to mark or paint with raddle":[],
      ": to twist together : interweave":[]
    },
    "examples":[],
    "first_known_use":{
      "14th century, in the meaning defined above":"Noun",
      "1631, in the meaning defined above":"Verb",
      "1671, in the meaning defined above":"Verb"
    },
    "history_and_etymology":{
      "Middle English radel, probably variant of rodel ruddle entry 1":"Noun",
      "derivative of raddle entry 1":"Verb",
      "probably derivative of regional raddle \"supple stick interwoven with others as in making a fence,\" of uncertain origin":"Verb"
    },
    "pronounciation":[
      "\u02c8ra-d\u1d4al"
    ],
    "synonym_discussion":"",
    "synonyms":[],
    "time_of_retrieval":"20220706-181453",
    "type":[
      "noun",
      "verb"
    ]
  },
  "raddled":{
    "antonyms":[
      "clearheaded"
    ],
    "definitions":{
      ": being in a state of confusion : lacking composure":[],
      ": broken-down , worn":[]
    },
    "examples":[
      "trying to explain a mix-up in my mail order to a clearly raddled clerk in customer service"
    ],
    "first_known_use":{
      "1694, in the meaning defined at sense 1":""
    },
    "history_and_etymology":{
      "of obscure origin":""
    },
    "pronounciation":[
      "\u02c8ra-d\u1d4ald"
    ],
    "synonym_discussion":"",
    "synonyms":[
      "addle",
      "addled",
      "addlepated",
      "bedeviled",
      "befogged",
      "befuddled",
      "bemused",
      "bewildered",
      "bushed",
      "confounded",
      "confused",
      "dazed",
      "distracted",
      "dizzy",
      "dopey",
      "dopy",
      "fogged",
      "mixed-up",
      "muddleheaded",
      "muzzy",
      "pixilated",
      "pixillated",
      "punch-drunk",
      "punchy",
      "shell-shocked",
      "silly",
      "slaphappy",
      "spaced-out",
      "spaced",
      "spacey",
      "spacy",
      "stunned",
      "stupefied",
      "zonked",
      "zonked-out"
    ],
    "time_of_retrieval":"20220707-035534",
    "type":[
      "adjective"
    ]
  },
  "raddleman":{
    "antonyms":[],
    "definitions":{
      ": ruddleman":[]
    },
    "examples":[],
    "first_known_use":{},
    "history_and_etymology":{
      "raddle entry 1 + man":""
    },
    "pronounciation":[
      "-\u1d4alm\u0259n"
    ],
    "synonym_discussion":"",
    "synonyms":[],
    "time_of_retrieval":"20220707-051149",
    "type":[
      "noun"
    ]
  },
  "rade":{
    "antonyms":[],
    "definitions":[
      "Definition of rade chiefly dialectal past tense of ride"
    ],
    "examples":[],
    "first_known_use":[],
    "history_and_etymology":"Middle English, from Old English r\u0101d ",
    "pronounciation":[],
    "synonyms":[],
    "time_of_retrieval":"20220630-015313",
    "type":[]
  },
  "raden":{
    "antonyms":[],
    "definitions":[
      "Definition of raden plural of raad"
    ],
    "examples":[],
    "first_known_use":[],
    "history_and_etymology":[],
    "pronounciation":[],
    "synonyms":[],
    "time_of_retrieval":"20220630-162914",
    "type":[]
  },
  "radi-":{
    "antonyms":[],
    "definitions":{
      ": radiant energy : radiation":[
        "radio active",
        "radi opaque"
      ],
      ": radio":[
        "radio telegraphy"
      ],
      ": radioactive":[
        "radio element"
      ],
      ": radioactive isotopes especially as produced artificially":[
        "radio carbon"
      ],
      ": radium : X-rays":[
        "radio therapy"
      ],
      ": radius bone":[
        "radio- ulna"
      ]
    },
    "examples":[],
    "first_known_use":{},
    "history_and_etymology":{
      "French, from Latin radius ray":""
    },
    "pronounciation":[],
    "synonym_discussion":"",
    "synonyms":[],
    "time_of_retrieval":"20220707-043738",
    "type":[
      "combining form"
    ]
  },
  "radiac":{
    "antonyms":[],
    "definitions":{
      ": the act or process of detecting, identifying, and measuring the nuclear radiation at a given place":[]
    },
    "examples":[],
    "first_known_use":{},
    "history_and_etymology":{
      "r adio a ctivity d etection i dentification a nd c omputation":""
    },
    "pronounciation":[
      "\u02c8r\u0101d\u0113\u02ccak"
    ],
    "synonym_discussion":"",
    "synonyms":[],
    "time_of_retrieval":"20220707-050658",
    "type":[
      "noun"
    ]
  },
  "radial":{
    "antonyms":[],
    "definitions":{
      ": a body part (such as an artery) lying near or following the course of the radius":[],
      ": a pneumatic tire in which the ply cords that extend to the beads are laid at approximately 90 degrees to the centerline of the tread":[],
      ": a radial part":[],
      ": arranged or having parts arranged like rays":[],
      ": characterized by divergence from a center":[],
      ": developing uniformly around a central axis":[],
      ": of, relating to, or adjacent to a bodily radius":[],
      ": ray":[],
      ": relating to, placed like, or moving along a radius":[]
    },
    "examples":[
      "Adjective",
      "the radial form of a starfish",
      "Recent Examples on the Web: Adjective",
      "The black stone Sillage d\u2019Hermes table is hand engraved in a radial pattern and turns gray when etched. \u2014 Damon Johnstun, oregonlive , 26 May 2022",
      "Preliminary processing of the third stage suggests pseudo- radial fracture growth, around the well at the center. \u2014 Ian Palmer, Forbes , 19 May 2022",
      "For the big presentation of Bitcoin City in El Salvador, Romero showed off a model, bathed in gold paint, that showed a radial city, which at its heart bore the bitcoin logo. \u2014 Carolina A. Mirandacolumnist, Los Angeles Times , 14 May 2022",
      "In the United States, there are two common types of phalloplasty: radial forearm flap (or R.F.F., which uses the forearm as a skin-flap donor site) and anterolateral thigh (or ALT, which uses the thigh). \u2014 New York Times , 10 May 2022",
      "Whether symmetrical or asymmetrical, the image should have a sense of balance visually and a radial arrangement as viewed from a central point. \u2014 oregonlive , 4 May 2022",
      "The propellers, all four, are almost 17 feet across, and they\u2019re attached to 2,400-hp Wright R-3350-24WA 18-cylinder radial engines, which give it a top speed of 225 mph and 190-mph cruise speed with a 4,900-mile range. \u2014 J. George Gorant, Robb Report , 29 Mar. 2022",
      "It's estimated that Proxima Centauri's variability can often look like a radial velocity signal equivalent to a meter per second. \u2014 John Timmer, Ars Technica , 10 Feb. 2022",
      "But this is the first time the radial velocity method has been used to find such a lightweight planet. \u2014 Ashley Strickland, CNN , 10 Feb. 2022",
      "Recent Examples on the Web: Noun",
      "His space suit was pumped up like an all-season radial . \u2014 Outside Online , 23 June 2021",
      "Instead only the most distal ones are homologous to digit bones; the proximal radials are homologous to the wrist bones and the long bones of the palm. \u2014 John A. Long, Scientific American , 20 May 2020",
      "Enter the panda\u2019s pseudo-thumb, which is also composed of an enlarged radial sesamoid and cartilaginous extension, and is controlled by the same three muscles as in the aye-aye. \u2014 National Geographic , 21 Oct. 2019",
      "Andretti first credits the slicks, and then changing from a cross-ply construction to radials . \u2014 Tim Newcomb, Popular Mechanics , 24 May 2019",
      "There\u2019s a sort of radial set up to the room, that big gem in the middle was basically a topper on a giant, carpeted wedding cake, which seemed the ideal architecture for some sort of romantic ritual. \u2014 Lucy Boyle, The Cut , 30 Oct. 2017",
      "The bias ply is easier to retread while the radial is lighter. \u2014 John Cox, USA TODAY , 22 Oct. 2017",
      "Line lock helps the driver warm the rear drag radials , a special air-conditioning circuit chills the intercooler, and a trans brake makes for easy launches and helps the Demon perform the briefest of wheelies. \u2014 Car and Driver , 10 Oct. 2017",
      "The car comes on four drag radials , but the eight-speed ZF 8HP automatic turns only the rear wheels. \u2014 K.c. Colwell, Car and Driver , 20 July 2017"
    ],
    "first_known_use":{
      "1570, in the meaning defined at sense 1":"Adjective",
      "1872, in the meaning defined at sense 1a":"Noun"
    },
    "history_and_etymology":{
      "Medieval Latin radialis , from Latin radius ray":"Adjective"
    },
    "pronounciation":[
      "\u02c8r\u0101d-\u0113-\u0259l",
      "\u02c8r\u0101-d\u0113-\u0259l"
    ],
    "synonym_discussion":"",
    "synonyms":[],
    "time_of_retrieval":"20220706-140512",
    "type":[
      "adjective",
      "adverb",
      "noun"
    ]
  },
  "radiance":{
    "antonyms":[
      "blackness",
      "dark",
      "darkness",
      "dullness",
      "dulness",
      "duskiness"
    ],
    "definitions":{
      ": a deep pink":[],
      ": the flux density of radiant energy per unit solid angle and per unit projected area of radiating surface":[],
      ": the quality or state of being radiant":[]
    },
    "examples":[
      "She had a youthful radiance about her.",
      "Her face glowed with radiance .",
      "the radiance of the rising sun",
      "Recent Examples on the Web",
      "Tension melts away and her dewy radiance is restored. \u2014 New York Times , 21 June 2022",
      "There are gentle cleansers by Tatcha or SK-II\u2019s coveted radiance -boosting essence. \u2014 Kiana Murden, Vogue , 1 Apr. 2022",
      "As its name suggests, this formula contains vitamin C to, of course, brighten your complexion, but there's more to this powerhouse ingredient than its radiance -boosting abilities. \u2014 Jennifer Hussein, Allure , 29 Mar. 2022",
      "Two other important research advances driving recent momentum in visual synthetic data are diffusion models and neural radiance fields (NeRF). \u2014 Rob Toews, Forbes , 12 June 2022",
      "As its name suggests, the cream is made with real gold, which not only lends instant radiance , but is linked to other active ingredients for sustained skin strengthening and replenishment. \u2014 Lindy Segal, Harper's BAZAAR , 9 June 2022",
      "Powered by exfoliating glycolic and mandelic acids, this drugstore exfoliator is proven to smooth texture and increase radiance while being gentle on skin. \u2014 April Franzino, Good Housekeeping , 6 June 2022",
      "Marian is the opposite of a showboat, but Foster dims her radiance more than is necessary. \u2014 Charles Mcnultytheater Critic, Los Angeles Times , 2 May 2022",
      "Pat McGrath\u2019s complexion-perfecting remedy for her signature radiance is The Essence. \u2014 Emerald Elitou, Essence , 26 Apr. 2022"
    ],
    "first_known_use":{
      "1600, in the meaning defined at sense 1":""
    },
    "history_and_etymology":{},
    "pronounciation":[
      "\u02c8r\u0101-d\u0113-\u0259n(t)s",
      "\u02c8r\u0101-d\u0113-\u0259ns"
    ],
    "synonym_discussion":"",
    "synonyms":[
      "brightness",
      "brilliance",
      "brilliancy",
      "candor",
      "dazzle",
      "effulgence",
      "illumination",
      "lambency",
      "lightness",
      "luminance",
      "luminosity",
      "luminousness",
      "luster",
      "lustre",
      "lustrousness",
      "refulgence",
      "splendor"
    ],
    "time_of_retrieval":"20220707-033752",
    "type":[
      "noun"
    ]
  },
  "radiant":{
    "antonyms":[],
    "definitions":{
      ": a point in the heavens at which the visible paths of meteors appear to meet when traced backward":[],
      ": emitted or transmitted by radiation":[],
      ": emitting or relating to radiant heat":[],
      ": marked by or expressive of love, confidence, or happiness":[
        "a radiant smile"
      ],
      ": radiating rays or reflecting beams of light":[],
      ": something that radiates : such as":[],
      ": the part of a gas or electric heater that becomes incandescent":[],
      ": vividly bright and shining : glowing":[]
    },
    "examples":[
      "Adjective",
      "She had a radiant inner glow.",
      "She looked radiant at her wedding.",
      "Recent Examples on the Web: Adjective",
      "Handmade in their Paris atelier, Viltier jewelry is radiant , colorful, and made to celebrate the natural beauty of its wearers. \u2014 Charlotte Diamond, Vogue , 24 June 2022",
      "All skin types require hydration in the form of a moisturizing lotion or cream to keep skin healthy, soft and radiant . \u2014 April Franzino, Good Housekeeping , 17 June 2022",
      "With the help of this moisturizer, your dry skin will become moisturized and radiant skin, easily matching that beautiful glow of expectant mothers. \u2014 The Salt Lake Tribune , 8 June 2022",
      "To say the least, my skin looked radiant and bright from the exfoliating mask, and not a blotch of redness or irritation was in sight. \u2014 Jennifer Hussein, Allure , 19 Apr. 2022",
      "Cartagena looks for tender moments, like a father picking up his daughter, her pink shoes dangling midair, or a mother holding a child whose face is barely visible yet radiant in the morning light. \u2014 Alice Driver, The New Yorker , 18 Feb. 2022",
      "Lively looked radiant and ready for spring in a three-piece pastel getup, showing off her toned abs in a crop top paired with a midi-length pencil skirt and unstructured blazer draped over her shoulders. \u2014 Olivia Jakiel, PEOPLE.com , 16 Feb. 2022",
      "Though her eyes were sad, there was that smile, so radiant and warm. \u2014 Gerrick Kennedy, Rolling Stone , 11 Feb. 2022",
      "He was described by those close to him as equal parts brilliant and humble, radiant and deeply thoughtful, kind in the most genuine way, strong and sensitive, generous to others and self-reflective, intellectually curious and funny beyond measure. \u2014 Mikey O'connell, The Hollywood Reporter , 21 Jan. 2022",
      "Recent Examples on the Web: Noun",
      "Jello Skin was coined by TikTok user and beauty fanatic Ava Lee, who says the trend will not only leave your skin radiant but also healthy and plump. \u2014 Ebony Williams, ajc , 17 June 2022",
      "Tata Harper created this Regenerating Cleanser to serve as a daily exfoliant and cleanser that polishes and buffs your skin, revealing your true radiant , glowing face. \u2014 Grooming Playbook, The Salt Lake Tribune , 26 May 2022",
      "Getting the radiant , lifted look is the goal for many in 2022, and Dr Angelica Kavouni has seen requests coming in at her Ion Kavouni Clinic for non-surgical, skin-tightening and lifting treatment such as Thermage FLX. \u2014 Angela Lei, Forbes , 31 Jan. 2022",
      "Magnesium, zinc and calcium derived from dragon fruit support the skin\u2019s moisture barrier, leaving it radiant , while pomegranate extract rich in puncici acid soothes the skin for an unmistakable fresh feeling. \u2014 Grooming Playbook, The Salt Lake Tribune , 1 June 2022",
      "For Under-eye Brightening Those who appreciate a luminous under-eye or radiant skin overall should look towards Rose Inc\u2019s buildable formula powered by squalane, vitamin E, and hyaluronic acid. \u2014 Kiana Murden, Vogue , 18 May 2022",
      "Soothing rosehip oil, vitamin E and vitamin C help brighten dark circles under the eyes, leaving your skin looking radiant and glowing. \u2014 Grooming Playbook, The Salt Lake Tribune , 19 May 2022",
      "What was once an ode to a master, a radiant still life, has evolved into an immersive work in progress. \u2014 Louisa Chu, chicagotribune.com , 11 Apr. 2022",
      "The Volcanic Ash also helps to visibly tighten and soften the appearance of the pores, leaving your skin looking radiant . \u2014 Grooming Playbook, The Salt Lake Tribune , 10 Apr. 2022"
    ],
    "first_known_use":{
      "15th century, in the meaning defined at sense 1a":"Adjective",
      "circa 1741, in the meaning defined above":"Noun"
    },
    "history_and_etymology":{},
    "pronounciation":[
      "\u02c8r\u0101-d\u0113-\u0259nt",
      "\u02c8r\u0101d-\u0113-\u0259nt"
    ],
    "synonym_discussion":"Choose the Right Synonym for radiant Adjective bright , brilliant , radiant , luminous , lustrous mean shining or glowing with light. bright implies emitting or reflecting a high degree of light. brilliant implies intense often sparkling brightness. radiant stresses the emission or seeming emission of rays of light. luminous implies emission of steady, suffused, glowing light by reflection or in surrounding darkness. lustrous stresses an even, rich light from a surface that reflects brightly without glittering.",
    "synonyms":[
      "aglow",
      "beaming",
      "bright",
      "glowing",
      "sunny"
    ],
    "time_of_retrieval":"20220706-175604",
    "type":[
      "adjective",
      "adverb",
      "noun"
    ]
  },
  "radiate":{
    "antonyms":[
      "concentrate",
      "converge",
      "focus",
      "funnel",
      "meet"
    ],
    "definitions":{
      ": characterized by radial symmetry : radially symmetrical":[],
      ": having ray flowers":[],
      ": having rays or radial parts: such as":[],
      ": irradiate , illuminate":[],
      ": to evolve by adaptive radiation":[],
      ": to issue in or as if in rays":[],
      ": to proceed in a direct line from or toward a center":[],
      ": to send out in or as if in rays":[],
      ": to send out rays : shine brightly":[],
      ": to spread abroad or around as if from a center":[]
    },
    "examples":[
      "Verb",
      "The pain was radiating down my arm.",
      "The sun radiates heat and light.",
      "Heat radiates from the sun.",
      "Recent Examples on the Web: Verb",
      "Little Miner\u2019s success is not a momentary starburst, a happy accident based on some curious collision of pandemic ennui, culinary fad and cultural obsession for foods that ooze, drip and radiate their charisma across our social channels. \u2014 Washington Post , 16 Nov. 2021",
      "Although the olfactory bulb isn\u2019t involved in cognitive functions, tenOever said, inflammation there can radiate deeper into the brain. \u2014 Jason Mast, STAT , 13 June 2022",
      "Those passageways radiate out from the centers like spokes on a wheel, and stretch for several miles. \u2014 Brian Handwerk, Smithsonian Magazine , 25 May 2022",
      "All roads lead to... Cotoca",
      "Furthermore, much of the valley and even the surrounding mountains are meadows, which allows heat to radiate upward and outward into the atmosphere faster than would forest or, especially, urban settings. \u2014 Washington Post , 23 June 2021",
      "That allows your body heat to radiate outward, turning your sleeping bag into a warm sac of air. \u2014 Erin Berger, Outside Online , 22 June 2020",
      "In person, Taylor\u2019s wit and matter-of-fact intelligence radiate warmth. \u2014 Los Angeles Times , 23 Mar. 2022",
      "The day before on Sunday, May 15, the moon will radiate a reddish hue for 84 minutes \u2014 as the Flower Moon will simultaneously be a Blood Moon total lunar eclipse, best viewed in North and South America. \u2014 Skyler Caruso, PEOPLE.com , 13 Apr. 2022"
    ],
    "first_known_use":{
      "1668, in the meaning defined above":"Adjective",
      "circa 1619, in the meaning defined at intransitive sense 1":"Verb"
    },
    "history_and_etymology":{
      "Latin radiatus , past participle of radiare , from radius ray":"Verb"
    },
    "pronounciation":[
      "\u02c8r\u0101-d\u0113-\u02cc\u0101t",
      "\u02c8r\u0101d-\u0113-\u02cc\u0101t",
      "\u02c8r\u0101-d\u0113-\u0259t",
      "-\u02cc\u0101t",
      "\u02c8r\u0101d-\u0113-\u0259t, -\u0113-\u02cc\u0101t"
    ],
    "synonym_discussion":"",
    "synonyms":[
      "branch",
      "fan (out)",
      "ray"
    ],
    "time_of_retrieval":"20220707-002546",
    "type":[
      "adjective",
      "adverb",
      "verb"
    ]
  },
  "radical":{
    "antonyms":[
      "crazy",
      "extremist",
      "revolutionary",
      "revolutionist"
    ],
    "definitions":{
      ": a basic principle : foundation":[],
      ": a mathematical expression indicating a root by means of a radical sign":[],
      ": a root part":[],
      ": a sound or letter belonging to a radical":[],
      ": advocating extreme measures to retain or restore a political state of affairs":[
        "the radical right"
      ],
      ": associated with political views, practices, and policies of extreme change":[],
      ": designed to remove the root of a disease or all diseased and potentially diseased tissue":[
        "radical surgery",
        "radical mastectomy"
      ],
      ": excellent , cool":[],
      ": favoring extreme changes in existing views, habits, conditions, or institutions":[],
      ": growing from the base of a stem, from a rootlike stem, or from a stem that does not rise above the ground":[
        "radical leaves"
      ],
      ": of or growing from the root of a plant":[
        "radical tubers"
      ],
      ": of or relating to a mathematical root":[],
      ": of or relating to the origin : fundamental":[],
      ": of, relating to, or constituting a linguistic root":[],
      ": of, relating to, or proceeding from a root: such as":[],
      ": one who is radical":[],
      ": radical sign":[],
      ": root sense 6":[],
      ": very different from the usual or traditional : extreme":[]
    },
    "examples":[
      "Adjective",
      "The computer has introduced radical innovations.",
      "There are some radical differences between the two proposals.",
      "The new president has made some radical changes to the company.",
      "a radical wing of extremists",
      "Noun",
      "He was a radical when he was young, but now he's much more moderate.",
      "radicals staged large, violent protests in the hopes of toppling the government",
      "Recent Examples on the Web: Adjective",
      "Tom McMillen, president and CEO of the LEAD1 Association, which represents top-tier athletic directors, suggests a less radical approach. \u2014 Eric Olson, Chron , 30 June 2022",
      "The second, more radical approach would require Pence to delay the certification of the electoral college count to give state lawmakers time to select a new slate of electors who would vote for President Trump. \u2014 Freddy Brewster, Los Angeles Times , 16 June 2022",
      "Few films are proving to be as hotly anticipated as Greta Gerwig\u2019s upcoming Barbie, with many expecting the indie auteur to provide a radical , revisionist take on the origin story behind the beloved Mattel toy. \u2014 Liam Hess, Vogue , 15 June 2022",
      "Inspired by the government shutdown of 2013, the series was a radical shift from the sleek halls of Lockhart Gardner: a sci-fi comedy about killer bugs from outer space that infest the brains of congressmen, turning them into hyper-partisan maniacs. \u2014 Emily Nussbaum, The New Yorker , 13 June 2022",
      "The radical shift of the state GOP hasn\u2019t come about overnight. \u2014 Adrian Walker, BostonGlobe.com , 20 May 2022",
      "And marketing leaders face an even bigger hurdle in getting management teams on board with what is quite a radical approach to business. \u2014 Chris Martin, Forbes , 28 Mar. 2022",
      "Yet leveling up, like taking back control, is radical in theory and conservative in practice. \u2014 Tom Mctague, The Atlantic , 19 June 2022",
      "There were some Asian Americans at the California College of Arts and Crafts who introduced me to people in San Francisco who were more radical . \u2014 Hua Hsu, The New Yorker , 5 June 2022",
      "Recent Examples on the Web: Noun",
      "Failure to do so could bring a radical to the Presidency in five years\u2014with damaging consequences far beyond France. \u2014 The Editorial Board, WSJ , 20 June 2022",
      "But right then, in that moment, the 40-something poet, journalist and simmering social radical was trapped in a luxury car with the corporate squares, a beetle in cooling agate. \u2014 Dwain Hebda, Arkansas Online , 5 June 2022",
      "Identity politics aside, Republicans will face two challenges in portraying Jackson as a wild-eyed radical . \u2014 Dan Mclaughlin, National Review , 3 Mar. 2022",
      "Opa chafed in particular at the books and articles that reinforced the Nazi claim that Arthur had been a political radical . \u2014 Mattie Kahn, The Atlantic , 5 May 2022",
      "The Left is busy convincing itself that Youngkin has morphed into a radical . \u2014 The Editors, National Review , 19 Jan. 2022",
      "However, critics have painted her as a dangerous radical , recalling Zelaya's closeness to late Venezuelan president Hugo Chavez. \u2014 Reuters, CNN , 29 Nov. 2021",
      "Thus, according to Biden, Sen. Mitt Romney is alternately an honorable man who will never break his word, or a dangerous radical who will put a predominantly African-American audience back in chains. \u2014 W. James Antle Iii, The Week , 23 July 2021",
      "One explanation for her success is Ms. Wu herself, who is difficult to caricature as a radical . \u2014 Ellen Barry, New York Times , 3 Nov. 2021"
    ],
    "first_known_use":{
      "14th century, in the meaning defined at sense 1":"Adjective",
      "1641, in the meaning defined at sense 1a":"Noun"
    },
    "history_and_etymology":{
      "Middle English, from Late Latin radicalis , from Latin radic-, radix root \u2014 more at root":"Adjective"
    },
    "pronounciation":[
      "\u02c8ra-di-k\u0259l",
      "\u02c8rad-i-k\u0259l"
    ],
    "synonym_discussion":"",
    "synonyms":[
      "extreme",
      "extremist",
      "fanatic",
      "fanatical",
      "rabid",
      "revolutionary",
      "revolutionist",
      "ultra"
    ],
    "time_of_retrieval":"20220707-035844",
    "type":[
      "adjective",
      "adverb",
      "noun"
    ]
  },
  "radio proximity fuse":{
    "antonyms":[],
    "definitions":{
      ": proximity fuse":[]
    },
    "examples":[],
    "first_known_use":{},
    "history_and_etymology":{},
    "pronounciation":[],
    "synonym_discussion":"",
    "synonyms":[],
    "time_of_retrieval":"20220708-130654",
    "type":[
      "noun"
    ]
  },
  "radio range":{
    "antonyms":[],
    "definitions":{
      ": a radio facility for aircraft navigation":[]
    },
    "examples":[
      "Recent Examples on the Web",
      "As long as the device remains within radio range of the Echo, the attacker will be able to issue commands. \u2014 Dan Goodin, Ars Technica , 6 Mar. 2022",
      "That is outside normal radio range , but the Army have daisy-chained several together to extend communications to some 40 miles. \u2014 David Hambling, Forbes , 7 Apr. 2021",
      "And as already mentioned, the attacker has to be in radio range of the same cell tower as the target. \u2014 Dan Goodin, Ars Technica , 13 Aug. 2020",
      "But real-world traffic-light hacking, demonstrated by security researchers in years past, has proven tougher, requiring someone to be within radio range of every target light. \u2014 Andy Greenberg, Wired , 5 Aug. 2020",
      "But those earlier techniques required communicating via radio with the vulnerable equipment, so that a hacker would need to be within radio range , limiting the attack to a range of a couple thousand feet at maximum. \u2014 Andy Greenberg, Wired , 5 Aug. 2020",
      "These particular bugs can't be exploited over the internet, but a hacker within radio range can launch attacks to crash devices, disable their connection, or in some cases take them over. \u2014 Alex Baker-whitcomb, Wired , 20 Feb. 2020",
      "The vulnerability triggers a buffer overflow in the Linux kernel when a machine with a Realtek Wi-Fi chip is within radio range of a malicious device. \u2014 Dan Goodin, Ars Technica , 17 Oct. 2019",
      "Attackers within radio range can then use commodity hardware to quickly crack the key. \u2014 Dan Goodin, Ars Technica , 17 Aug. 2019"
    ],
    "first_known_use":{
      "1942, in the meaning defined above":""
    },
    "history_and_etymology":{},
    "pronounciation":[],
    "synonym_discussion":"",
    "synonyms":[],
    "time_of_retrieval":"20220708-122047",
    "type":[
      "noun"
    ]
  },
  "radio frequency":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": any of the electromagnetic wave frequencies that lie in the range extending from below 3 kilohertz to about 300 gigahertz and that include the frequencies used for communications signals (as for radio and television broadcasting and cell-phone and satellite transmissions) or radar signals":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web",
      "Today, MaxLinear\u2019s mixed-signal radio frequency processors are used mostly in wired and wireless broadband infrastructure and other behind-the-scenes gear. \u2014 Mike Freeman, San Diego Union-Tribune , 5 May 2022",
      "As more people suffering with the ailment reported episodes of feeling like they had been hit by a beam of energy, the possibility of them having been attacked by radio frequency energy gained traction. \u2014 Washington Post , 9 Oct. 2021",
      "With five analog inputs (two balanced and three unbalanced) plus a separate AV bypass input, all five of the Ultima Pre 3\u2019s main inputs have individual buffering and are selectively filtered against radio frequency interference. \u2014 Mark Sparrow, Forbes , 4 May 2022",
      "Aesthetician Joanna Czech\u2019s coveted custom treatments incorporate a combination of ultrasound, microcurrent, radio frequency , cryotherapy and LED therapy. \u2014 Claire Coghlan, Variety , 25 Mar. 2022",
      "Spectrum FWA is compatible with any radio frequency , but rollout will depend on operators\u2019 access to frequencies and existing wireless services. \u2014 Roslyn Layton, Forbes , 25 Apr. 2022",
      "Generically referred as C-Band, these new 5G frequencies range from roughly 3.7 to 4.2 GHz on what\u2019s known as the radio frequency (RF) spectrum. \u2014 Bob O'donnell, USA TODAY , 12 Nov. 2021",
      "But its 180 residents and virtually all the skiers who seek out the world-class backcountry above town know about the two-way radio frequency that fills the void. \u2014 Devon O\u2019neil, Outside Online , 28 Mar. 2020",
      "The certification requirement ensures that radio frequency equipment does not interfere with federal government operations, such as Federal Aviation Administration\u2019s aeronautical radar systems. \u2014 oregonlive , 15 Apr. 2022"
    ],
    "history_and_etymology":{},
    "first_known_use":{
      "1915, in the meaning defined above":""
    },
    "time_of_retrieval":"20220708-145404"
  },
  "radio range beacon":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a radio beacon that transmits in such a way as to mark out a fixed straight line (as for directing the course of airplanes to or from a landing field)":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220708-150637"
  },
  "radicchio":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a chicory of a red variety with variegated leaves that is used as a salad green":[]
    },
    "pronounciation":[
      "ra-\u02c8di-k\u0113-\u014d"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web",
      "Add the radicchio to the bowl with the dressing and toss to coat. \u2014 Washington Post , 10 Feb. 2022",
      "For this menu, curly endive, also known as fris\u00e9e, fits the bill nicely, alone or in combination with its colorful cousins, Belgian endive, Chioggia, Treviso or speckled Castelfranco radicchio . \u2014 David Tanis, New York Times , 31 Jan. 2022",
      "Combining radicchio with sweeter, more delicate lettuces helps to balance the bitterness. \u2014 Darlene Zimmerman, Detroit Free Press , 30 July 2020",
      "Core and chop the radicchio into bite-size pieces and place it in a large mixing bowl. \u2014 Nik Sharma, SFChronicle.com , 22 Nov. 2019",
      "Salata appreciates examples like the radicchio XO that show just how far the sauce can go. \u2014 Janelle Bitker, SFChronicle.com , 27 May 2020",
      "One of winter\u2019s most appealing salads combines radicchio and kale with crisp-chewy croutons and a creamy dressing made bold with anchovies. \u2014 Washington Post , 10 Jan. 2020",
      "Chopped Winter Salad Beautiful, sweet, orange butternut squash gets roasted with some slightly \u2014 but appealingly \u2014 bitter radicchio . \u2014 Katie Workman, NBC News , 22 Mar. 2020",
      "Wellspring has four high tunnels (an unheated, covered structure) and two greenhouses and still produces crops such as kale, chard, spinach, lettuce, scallions, beets, radicchio and a few specialty crops like chickweed and claytonia. \u2014 Anna Thomas Bates, Milwaukee Journal Sentinel , 3 Mar. 2020"
    ],
    "history_and_etymology":{
      "Italian, chicory, from Vulgar Latin *radiculus , alteration of Latin radicula":""
    },
    "first_known_use":{
      "1968, in the meaning defined above":""
    },
    "time_of_retrieval":"20220708-161447"
  },
  "radio range station":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a radio transmitter that provides the signals used in a radio range":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220708-164051"
  },
  "radiant flux":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": the rate of emission or transmission of radiant energy":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{
      "1917, in the meaning defined above":""
    },
    "time_of_retrieval":"20220708-165651"
  },
  "radication":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": the process or condition of radicating : a taking root":[]
    },
    "pronounciation":[
      "\u02ccrad\u0259\u02c8k\u0101sh\u0259n"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "Medieval Latin radication-, radicatio , from Latin radicatus , past participle + -ion-, -io -ion":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220708-171158"
  },
  "radioactive":{
    "type":[
      "adjective",
      "adverb"
    ],
    "definitions":{
      ": of, caused by, or exhibiting radioactivity":[
        "radioactive isotopes",
        "Radon is an odorless, colorless gas that arises naturally from the ground because of the decay of radioactive elements commonly found in rocks and many types of soil. In a chain of radioactive decay, uranium produces radium, which gives off radon, which in turn produces radioactive breakdown products that are harmful if inhaled.",
        "\u2014 Warren E. Leary"
      ],
      ": so divisive or controversial as to require avoidance":[
        "He has been deemed radioactive by most charitable organizations \u2026 and organized competition, even local stuff, is largely closed off to him.",
        "\u2014 Asher Price",
        "Almost all women\u2014and therefore men\u2014use a form of birth control at some point in their lives, yet contraception is so politically and legally radioactive that legislators and pharmaceutical companies avoid funding it.",
        "\u2014 Karen Weise",
        "Subsequent polling data show that the quota issue is perhaps the most powerful one in our politics \u2026 A House Democratic aide says, \"The quota issue is radioactive .\" The result has been nothing less than panic in the Democratic ranks.",
        "\u2014 Elizabeth Drew"
      ]
    },
    "pronounciation":[
      "\u02ccr\u0101d-\u0113-\u014d-\u02c8ak-tiv",
      "\u02ccr\u0101-d\u0113-\u014d-\u02c8ak-tiv"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Uranium and plutonium are radioactive .",
      "Recent Examples on the Web",
      "But between all the bombshells, something else remarkable emerged from the smoke: the sight of Republicans and Democrats treating one another with civility and respect on a public stage, no matter the radioactive material that brought them together. \u2014 Los Angeles Times , 21 June 2022",
      "On March 11, 2011, a 9.0 magnitude earthquake struck off the country's coast, triggering a tsunami that caused a nuclear meltdown at the power plant and a major release of radioactive material. \u2014 Emiko Jozuka And Helen Regan, CNN , 14 June 2022",
      "On April 26, 1986, an explosion at the Chernobyl Nuclear Power Plant blasted radioactive material into the atmosphere and the Soviet Union spent billions of dollars to secure the area. \u2014 Tim Newcomb, Popular Mechanics , 3 May 2022",
      "In April 1986, a meltdown at the Chernobyl plant led to the release of large quantities of radioactive material into the surrounding land. \u2014 Washington Post , 20 Apr. 2022",
      "Authorities in Pennsylvania are searching for a missing portable nuclear device containing radioactive material that belongs to a local construction inspection company. \u2014 Nicole Acevedo, NBC News , 16 Apr. 2022",
      "Another link between sunflowers and nuclear weapons dates back to 1986, when an explosion at the Chernobyl Nuclear Power Plant in Ukraine released radioactive material into the environment, killing 31 people within a few weeks. \u2014 Antonia Mufarech, Smithsonian Magazine , 31 Mar. 2022",
      "No large kitchen appliances, explosives, radioactive material or a few other oddball items. \u2014 Elissa Welle, Detroit Free Press , 31 Mar. 2022",
      "The waste was only yards from the sea; waves and rain could have washed off radioactive material into the ocean, toward Finland. \u2014 Isabelle De Pommereau, The Christian Science Monitor , 22 Mar. 2022"
    ],
    "history_and_etymology":{
      "International Scientific Vocabulary":""
    },
    "first_known_use":{
      "1898, in the meaning defined at sense 1":""
    },
    "time_of_retrieval":"20220708-171900"
  },
  "radium therapy":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": radiotherapy":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{
      "1904, in the meaning defined above":""
    },
    "time_of_retrieval":"20220708-190500"
  },
  "radiograph":{
    "type":[
      "adjective",
      "adverb",
      "noun",
      "transitive verb",
      "verb"
    ],
    "definitions":{
      ": to make a radiograph of":[]
    },
    "pronounciation":[
      "-\u02ccgraf",
      "\u02c8r\u0101-d\u0113-\u014d-\u02ccgraf"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web: Noun",
      "The mummified remains of the snake were not definitely identified as a snake until a 2009 radiograph , courtesy of a local veterinary clinic, revealed it to be coiled up inside. \u2014 Jennifer Ouellette, Ars Technica , 21 Aug. 2020",
      "In discussing Ambika\u2019s overall quality of life, the elephant and veterinary team strongly considered Ambika\u2019s gait, blood-work parameters, radiographs , progressions of her lesions and her tendency to occasionally isolate from Shanthi and Bozie. \u2014 Beth Py-lieberman, Smithsonian Magazine , 28 Mar. 2020",
      "To extract the towel from her, veterinarians -- including Dr. Olivia Clarke -- took radiographs to confirm the cloth's location within the serpent, who was then anesthetized for the procedure. \u2014 Fox News , 1 Mar. 2020",
      "Scientists used dental, anthropological and chest radiograph comparison analysis, as well as circumstantial evidence, to identify Shelemba. \u2014 Angie Jackson, Detroit Free Press , 30 Dec. 2019",
      "To identify Woods\u2019 remains, scientists from DPAA used dental, anthropological and chest radiograph comparison analysis, as well as circumstantial and material evidence, according to the Defense POW/MIA Accounting Agency. \u2014 Sheila Vilvens, Cincinnati.com , 27 June 2019",
      "Eventually, officials exhumed Julius\u2019s remains in Belgium and, using dental and chest radiograph comparison analysis, announced the match in November 2017. \u2014 Ian Shapira, Washington Post , 20 June 2018",
      "Recent Examples on the Web: Verb",
      "Mac Donald\u2019s remains were identified using anthropological, dental, and chest radiograph analysis, the release said. \u2014 J.d. Capelouto, BostonGlobe.com , 15 June 2018",
      "Functional instability, grossly simplified, is the feeling of \u2018giving way\u2019 while stress radiographs might show a relatively stable joint. \u2014 SI.com , 25 May 2018"
    ],
    "history_and_etymology":{},
    "first_known_use":{
      "1896, in the meaning defined above":"Verb"
    },
    "time_of_retrieval":"20220708-190852"
  },
  "radioactivity":{
    "type":[
      "noun"
    ],
    "definitions":{},
    "pronounciation":[
      "\u02ccr\u0101-d\u0113-\u014d-ak-\u02c8ti-v\u0259-t\u0113",
      "-ak-\u02c8tiv-\u0259t-\u0113"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web",
      "Another other notable anomaly is in the mass of the W-boson, a subatomic particle involved in the action of the weak nuclear force that governs some types of radioactivity . \u2014 Tom Metcalfe, NBC News , 14 June 2022",
      "The announcement -- the first-ever official disclosure of a nuclear accident by the Soviet Union -- came hours after the Scandinavian countries reported abnormally high levels of radioactivity in their skies. \u2014 San Diego Union-Tribune , 26 Apr. 2022",
      "The radioactive signal of uranium Z was about 500 times weaker than the radioactivity of the other isotopes in the sample, so Hahn decided to confirm his observations by using more material. \u2014 Artemis Spyrou, The Conversation , 24 May 2022",
      "Such an explosion would likely still have scattered dangerous radioactivity over a wide area. \u2014 Kyle Mizokami, Popular Mechanics , 23 Mar. 2022",
      "What's more, industrial accidents leading to a significant release of radioactivity cannot happen with a power plant using fusion technology. \u2014 Don Lincoln, CNN , 11 Feb. 2022",
      "The Russian military\u2019s capture of the Chernobyl nuclear facility in northern Ukraine last week led to heightened levels of both radioactivity and confusion. \u2014 Adriana Petryna, The Atlantic , 2 Mar. 2022",
      "Russian forces may think that they are protected by the zone, as damage to the facility could unleash dangerous levels of radioactivity . \u2014 Kyle Mizokami, Popular Mechanics , 24 Feb. 2022",
      "There also have been industrial accidents, like at Fukushima and Chernobyl which have released dangerous radioactivity into the environment. \u2014 Don Lincoln, CNN , 11 Feb. 2022"
    ],
    "history_and_etymology":{
      "International Scientific Vocabulary":""
    },
    "first_known_use":{
      "1899, in the meaning defined above":""
    },
    "time_of_retrieval":"20220708-192534"
  },
  "radiation":{
    "type":[
      "adjective",
      "noun"
    ],
    "definitions":{
      ": the action or process of radiating":[],
      ": the process of emitting radiant energy in the form of waves or particles":[],
      ": the combined processes of emission, transmission, and absorption of radiant energy":[],
      ": the transfer of heat by radiation \u2014 compare conduction , convection":[],
      ": something that is radiated":[],
      ": energy radiated in the form of waves or particles":[],
      ": radial arrangement":[],
      ": adaptive radiation":[]
    },
    "pronounciation":[
      "\u02ccr\u0101d-\u0113-\u02c8\u0101-sh\u0259n",
      "\u02ccr\u0101-d\u0113-\u02c8\u0101-sh\u0259n"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "She was exposed to high levels of radiation .",
      "He goes in for radiation next week.",
      "the sun's radiation of heat",
      "Recent Examples on the Web",
      "The worker did not require medical attention because the dose was below the limits for people who work with radiation , Holtec said. \u2014 Douglas Macmillan, Washington Post , 13 May 2022",
      "Just 30 days after being born, doctors attempted to remove a birthmark and correct an elongation of his left arm and leg with radiation . \u2014 Daniel I. Dorfman, chicagotribune.com , 17 Feb. 2022",
      "Another explanation could be carbon dioxide on the Red Planet reacted with ultraviolet radiation and converted the CO2 into other organic compounds like formaldehyde. \u2014 Elizabeth Gamillo, Smithsonian Magazine , 18 Jan. 2022",
      "Unlike most cases, hers was caught at an early stage a treated with radiation at UAB. \u2014 al , 4 Dec. 2021",
      "Sorrento Mesa biotech Radionetics Oncology recently launched in a bid to blast tumors with radiation while sparing healthy cells. \u2014 San Diego Union-Tribune , 25 Oct. 2021",
      "In the ensuing years, a hundred more open-air tests were conducted at the site, throwing the distinctive mushroom cloud of debris and smoke into the air, showering the communities to the north and east with radiation . \u2014 Robert Gehrke, The Salt Lake Tribune , 24 Oct. 2021",
      "But the cancer can be effectively treated with radiation and offers an 80% success rate. \u2014 James Whitlow, baltimoresun.com , 30 Sep. 2021",
      "Physicians have treated cancer with radiation for more than a century, usually by shining an external beam through the skin at tumors in a specific location. \u2014 Brian Gormley, WSJ , 8 July 2021"
    ],
    "history_and_etymology":{},
    "first_known_use":{
      "15th century, in the meaning defined at sense 1a":""
    },
    "time_of_retrieval":"20220708-200820"
  },
  "radiation sickness":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": sickness that results from exposure to radiation and is commonly marked by fatigue, nausea, vomiting, loss of teeth and hair, and in more severe cases by damage to blood-forming tissue with decrease in red and white blood cells and with bleeding":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web",
      "Only 31 people died in the initial accident (though others suffered from radiation sickness or developed thyroid cancer). \u2014 James B. Meigs, WSJ , 20 May 2022",
      "In the months that followed, countless others died from burns and radiation sickness . \u2014 Katie Hafner, Scientific American , 7 Apr. 2022",
      "The vast majority of those who survived the initial attack would also die over the coming months from radiation sickness , infectious diseases, famine and exposure. \u2014 Ira Helfand, CNN , 17 Mar. 2022",
      "In the ensuing months, 28 firefighters and cleanup workers died of radiation sickness , according to the International Atomic Energy Agency. \u2014 Washington Post , 2 Nov. 2021",
      "Found swimming in the lagoon, the pig was donated to the Smithsonian zoo after recovering from radiation sickness . \u2014 Washington Post , 5 Nov. 2021",
      "Most likely, Mars explorers will need to spend most of their time living underground to reduce the chance of radiation sickness or cancer. \u2014 Katie Mack, CNN , 11 May 2021",
      "The accident killed two plant workers immediately, but soon dozens more would perish from acute radiation sickness , including emergency workers and firefighters who were sent to the scene. \u2014 Jennifer Nalewicki, Smithsonian Magazine , 27 Apr. 2021",
      "Donohue\u2019s condition worsened, and she eventually was fired along with several of her factory colleagues who also were showing signs of radiation sickness . \u2014 Paul Eisenberg, chicagotribune.com , 18 Apr. 2021"
    ],
    "history_and_etymology":{},
    "first_known_use":{
      "1924, in the meaning defined above":""
    },
    "time_of_retrieval":"20220708-204037"
  },
  "radiant energy":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": energy traveling as electromagnetic waves":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web",
      "The five colorful ovals, positioned possibly as petals, are intended to evoke the sun or a flower or radiant energy . \u2014 John Tuohy, The Indianapolis Star , 3 July 2021",
      "Her radiant energy is not lost on her Instagram followers\u2014she's made an icon of herself with her viral, sensual vacation posts. \u2014 Sabrina Park, Harper's BAZAAR , 21 May 2021",
      "Surface temperatures tend to run hotter than the air above, especially on sunny days when surfaces are heated both by air and the Sun\u2019s radiant energy . \u2014 Richard Stone, Science | AAAS , 19 May 2021",
      "The black surface absorbs the sun\u2019s radiant energy and will warm up the soil. \u2014 Paul Cappiello, The Courier-Journal , 29 Apr. 2021",
      "The perfume portrays a woman of her time, whose radiant energy pulls and attracts. \u2014 Allyson Portee, Forbes , 16 Apr. 2021",
      "His presence is felt at practice through his radiant energy . \u2014 Shelby Dermer, The Enquirer , 28 Mar. 2021",
      "Rather than warming the air in an entire room, radiant heaters quickly turn electricity into radiant energy to heat objects or people in front of it. \u2014 Lauren Levy, NBC News , 26 Oct. 2020",
      "The Telescope in the Ice By Mark Bowen St. Martin\u2019s, 424 pages, $27.99 Astronomers have long surveyed the celestial landscape by capturing and analyzing forms of radiant energy , such as visible light, radio waves and X-rays. \u2014 Alan Hirshfeld, WSJ , 15 Dec. 2017"
    ],
    "history_and_etymology":{},
    "first_known_use":{
      "1870, in the meaning defined above":""
    },
    "time_of_retrieval":"20220708-212852"
  },
  "radioallergosorbent":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": relating to or being a blood analysis that tests for allergen-specific antibodies of the immunoglobulin class IgE and is used to detect allergic reactions":[]
    },
    "pronounciation":[
      "\u02ccr\u0101-d\u0113-\u014d-\u0259-\u02ccl\u0259r-g\u014d-\u02c8s\u022fr-b\u0259nt",
      "-\u0259-\u02ccl\u0259r-g\u014d-\u02c8s\u022fr-b\u0259nt"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "radi- + allerg en + -o- + sorbent":""
    },
    "first_known_use":{
      "1967, in the meaning defined above":""
    },
    "time_of_retrieval":"20220708-214659"
  },
  "radiation belt":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": van allen radiation belt":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220708-215145"
  },
  "radon":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a heavy radioactive gaseous element formed by the decay of radium \u2014 see Chemical Elements Table":[]
    },
    "pronounciation":[
      "\u02c8r\u0101-\u02ccd\u00e4n",
      "\u02c8r\u0101-d\u00e4n"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web",
      "Thawing Arctic permafrost will expose local populations to more radon , and the iodine of desert dust may decrease ozone pollution but increase greenhouse gas longevity. \u2014 Rafil Kroll-zaidi, Harper\u2019s Magazine , 25 May 2022",
      "The report also recommended that all results of radon tests conducted on Utah structures be reported to DEQ and put on an online database. \u2014 Brian Maffly, The Salt Lake Tribune , 20 May 2022",
      "The radiological team charged with looking for both radiation and radon has concluded. \u2014 Caitlin O'kane, CBS News , 25 Apr. 2022",
      "The Marion County Public Health Department offers free radon testing for county residents. \u2014 Sarah Bowman, The Indianapolis Star , 17 Nov. 2021",
      "The spring water in Tskaltubo is said to have a high level of radon , which has long been believed to decrease inflammation. \u2014 Jamie Ditaranto, Cond\u00e9 Nast Traveler , 28 Sep. 2021",
      "The average level of indoor radon in the U.S. is 1.3 picocuries per liter. \u2014 Austen Erblat, sun-sentinel.com , 2 Sep. 2021",
      "With federal assistance, Florida has acted on the recommendations of dozens of local health departments to investigate environmental pollution, like groundwater contamination or radon levels in the air. \u2014 Lulu Ramadan, ProPublica , 22 Aug. 2021",
      "Basically, the fan sucks the radon from underneath the basement floor and discharges it into the outside atmosphere. ... \u2014 Steve Metsch, chicagotribune.com , 4 June 2021"
    ],
    "history_and_etymology":{
      "International Scientific Vocabulary, from radium":""
    },
    "first_known_use":{
      "1918, in the meaning defined above":""
    },
    "time_of_retrieval":"20220708-221043"
  },
  "radium vermilion":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a red lead that is coated with an organic color":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220708-224703"
  },
  "radiogram":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": radiograph":[],
      ": a message transmitted by wireless telegraphy":[],
      ": a combined radio receiver and record player":[]
    },
    "pronounciation":[
      "\u02c8r\u0101d-\u0113-\u014d-\u02ccgram",
      "\u02c8r\u0101-d\u0113-\u014d-\u02ccgram"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web",
      "On rare occasions, the Indian government\u2014which prides itself on visions of universal digital literacy, online services, and biometrical identity schemes\u2014still conducts certain official communications by radiogram . \u2014 Mohammad Ali, Wired , 14 Apr. 2020",
      "But now, with a radiogram from Delhi, Indian prime minister Narendra Modi\u2019s central government was stepping in. \u2014 Mohammad Ali, Wired , 14 Apr. 2020"
    ],
    "history_and_etymology":{},
    "first_known_use":{
      "1896, in the meaning defined at sense 1":""
    },
    "time_of_retrieval":"20220708-233253"
  },
  "radiographer":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a trained healthcare professional typically certified or licensed to produce medical imaging (such as X-rays or CT scans) for diagnosis or screening":[]
    },
    "pronounciation":[
      "\u02ccr\u0101d-\u0113-\u02c8\u00e4g-r\u0259-f\u0259r",
      "\u02ccr\u0101-d\u0113-\u02c8\u00e4-gr\u0259-f\u0259r"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "radiograph entry 2 or radiography + -er entry 2":""
    },
    "first_known_use":{
      "1896, in the meaning defined above":""
    },
    "time_of_retrieval":"20220709-001235"
  },
  "radium series":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": uranium series":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220709-003417"
  },
  "radius":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a line segment extending from the center of a circle or sphere to the circumference or bounding surface":[],
      ": the third and usually largest vein of an insect's wing":[],
      ": the length of a radius":[
        "a truck with a short turning radius"
      ],
      ": the circular area defined by a stated radius":[],
      ": a bounded or circumscribed area":[],
      ": a radial part":[],
      ": the distance from a center line or point to an axis of rotation":[]
    },
    "pronounciation":[
      "\u02c8r\u0101d-\u0113-\u0259s",
      "\u02c8r\u0101-d\u0113-\u0259s"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Measure the radius of the circle.",
      "a radius of 10 inches",
      "The new museum is expected to draw people from a wide radius .",
      "There are three restaurants within a one-block radius of our apartment.",
      "Recent Examples on the Web",
      "That means using fire-safe roofing materials and vent screens in homes and pruning vegetation within a 100-foot radius of residences, among other things. \u2014 Los Angeles Times , 9 June 2022",
      "The blackout applied to a 75-mile radius around the stadium, shutting out 15 million potential viewers. \u2014 Frederic J. Frommer, Anchorage Daily News , 13 Feb. 2022",
      "London, recently ratcheted up its strategies to get heavily polluting cars off the road by extending its ultra low emissions zones to a bigger radius covering a quarter of the city. \u2014 Camille Squires, Quartz , 3 Nov. 2021",
      "The regulation, the first in the US, requires stores to sell at least 25 square feet of healthy items within a close radius of the register. \u2014 Nathaniel Meyersohn, CNN , 21 May 2022",
      "Many of them live within a tight radius of one another in Indiana, and unfortunately close to Cline. \u2014 Aim\u00e9e Lutkin, ELLE , 13 May 2022",
      "The search is focused on an area with a radius of 300 meters (about 330 yards) from the main crash site, though part of a wingtip was found 12 kilometers away. \u2014 Bloomberg.com , 26 Mar. 2022",
      "On March 21, an ammonia leak at a chemical plant in the eastern Ukrainian city of Sumy contaminated an area with a radius of more than 1.5 miles but didn\u2019t hurt any civilians in the city of 263,000 because the wind didn\u2019t blow in that direction. \u2014 chicagotribune.com , 24 Mar. 2022",
      "Target positions within a comfortable radius of your new location. \u2014 Johnny C. Taylor Jr., USA TODAY , 8 Mar. 2022"
    ],
    "history_and_etymology":{
      "Latin, ray, radius":""
    },
    "first_known_use":{
      "1578, in the meaning defined at sense 1":""
    },
    "time_of_retrieval":"20220709-011026"
  },
  "radicate":{
    "type":[
      "adjective",
      "verb"
    ],
    "definitions":{
      ": to cause to take root : plant deeply and firmly":[],
      ": to fix or establish firmly":[
        "the missionary function of the Church is radicated in \u2026 God's Providence",
        "\u2014 J. D. Hassett"
      ],
      ": to take root":[],
      ": radicated":[]
    },
    "pronounciation":[
      "\u02c8rad\u0259\u02cck\u0101t"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "Middle English radicaten , from Latin radicatus , past participle of radicare, radicari to take root, from radic-, radix root":"Verb",
      "Latin radicatus , past participle of radicare, radicari to take root":"Adjective"
    },
    "first_known_use":{},
    "time_of_retrieval":"20220709-011123"
  },
  "radices":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": the base of a number system or of logarithms":[],
      ": the primary source":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220709-012317"
  },
  "radio galaxy":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a galaxy that is a powerful source of radio waves":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web",
      "The galaxy, which is named Alcyoneus, is a giant radio galaxy . \u2014 Joshua Hawkins, BGR , 19 Feb. 2022",
      "MeerKAT is already trying to find similarly gargantuan filaments in other radio galaxies . \u2014 Robin George Andrews, Scientific American , 16 Apr. 2020"
    ],
    "history_and_etymology":{},
    "first_known_use":{
      "1959, in the meaning defined above":""
    },
    "time_of_retrieval":"20220709-014216"
  },
  "radio fix":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": the location of a radio transmitter by means of direction-finding equipment":[],
      ": a fix obtained by radio":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220709-021448"
  },
  "radius bar":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": radius rod":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220709-023834"
  },
  "radium pack":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": radium in a pack for therapeutic application":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220709-030347"
  },
  "radicicolous":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": living on or in roots":[
        "radicicolous flora"
      ]
    },
    "pronounciation":[
      "\u00a6rad\u0259\u00a6sik\u0259l\u0259s"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "International Scientific Vocabulary radici- (from Latin radic-, radix root + -i- ) + -colous":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220709-031027"
  },
  "radius clause":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a clause in an agreement with an employer by which a trainee engages not to seek employment with another company for a stated period":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220709-031349"
  },
  "radiating":{
    "type":[
      "adjective",
      "adverb",
      "verb"
    ],
    "definitions":{
      ": to proceed in a direct line from or toward a center":[],
      ": to send out rays : shine brightly":[],
      ": to issue in or as if in rays":[],
      ": to evolve by adaptive radiation":[],
      ": to send out in or as if in rays":[],
      ": irradiate , illuminate":[],
      ": to spread abroad or around as if from a center":[],
      ": having rays or radial parts: such as":[],
      ": having ray flowers":[],
      ": characterized by radial symmetry : radially symmetrical":[]
    },
    "pronounciation":[
      "\u02c8r\u0101d-\u0113-\u02cc\u0101t",
      "\u02c8r\u0101-d\u0113-\u0259t",
      "-\u02cc\u0101t",
      "\u02c8r\u0101d-\u0113-\u0259t, -\u0113-\u02cc\u0101t",
      "\u02c8r\u0101-d\u0113-\u02cc\u0101t"
    ],
    "synonyms":[
      "branch",
      "fan (out)",
      "ray"
    ],
    "antonyms":[
      "concentrate",
      "converge",
      "focus",
      "funnel",
      "meet"
    ],
    "synonym_discussion":"",
    "examples":[
      "Verb",
      "The pain was radiating down my arm.",
      "The sun radiates heat and light.",
      "Heat radiates from the sun.",
      "Recent Examples on the Web: Verb",
      "Little Miner\u2019s success is not a momentary starburst, a happy accident based on some curious collision of pandemic ennui, culinary fad and cultural obsession for foods that ooze, drip and radiate their charisma across our social channels. \u2014 Washington Post , 16 Nov. 2021",
      "Although the olfactory bulb isn\u2019t involved in cognitive functions, tenOever said, inflammation there can radiate deeper into the brain. \u2014 Jason Mast, STAT , 13 June 2022",
      "Those passageways radiate out from the centers like spokes on a wheel, and stretch for several miles. \u2014 Brian Handwerk, Smithsonian Magazine , 25 May 2022",
      "All roads lead to... Cotoca",
      "Furthermore, much of the valley and even the surrounding mountains are meadows, which allows heat to radiate upward and outward into the atmosphere faster than would forest or, especially, urban settings. \u2014 Washington Post , 23 June 2021",
      "That allows your body heat to radiate outward, turning your sleeping bag into a warm sac of air. \u2014 Erin Berger, Outside Online , 22 June 2020",
      "In person, Taylor\u2019s wit and matter-of-fact intelligence radiate warmth. \u2014 Los Angeles Times , 23 Mar. 2022",
      "The day before on Sunday, May 15, the moon will radiate a reddish hue for 84 minutes \u2014 as the Flower Moon will simultaneously be a Blood Moon total lunar eclipse, best viewed in North and South America. \u2014 Skyler Caruso, PEOPLE.com , 13 Apr. 2022"
    ],
    "history_and_etymology":{
      "Latin radiatus , past participle of radiare , from radius ray":"Verb"
    },
    "first_known_use":{
      "circa 1619, in the meaning defined at intransitive sense 1":"Verb",
      "1668, in the meaning defined above":"Adjective"
    },
    "time_of_retrieval":"20220709-033313"
  },
  "radiation resistance":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": the component of antenna resistance that accounts for the power radiated into space and is equal in ohms to the radiated power in watts divided by the square of the effective current in amperes at the point of power supply":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220709-040752"
  },
  "radiant-flux density":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": the radiant energy in a beam of electromagnetic, thermal, or acoustic radiation passing through a unit normal section per unit time":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220709-041026"
  },
  "radiation pyrometer":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a pyrometer that measures the intensity of radiation from a body having an extremely high temperature":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220709-045649"
  },
  "radioactive series":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a series of elements that are formed by disintegration of a long-lived parent (as actinium, thorium, or uranium) through the successive loss of alpha or beta particles sometimes by alternative routes and that are all radioactive except the end products which are stable isotopes of lead or bismuth \u2014 compare neptunium series":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220709-051443"
  },
  "radiant yellow":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": cadmium yellow":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220709-051513"
  },
  "radiation pressure":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": the pressure exerted by light or other electromagnetic radiation upon matter in its path or the pressure due to the incidence of acoustic energy":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220709-055655"
  },
  "radiateness":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": the quality or state of being radiate":[
        "the radiateness in a starfish"
      ]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220709-060043"
  },
  "radius vector":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": the line segment or its length from a fixed point to a variable point":[],
      ": the linear polar coordinate of a variable point":[],
      ": a straight line joining the center of an attracting body (such as the sun) with that of a body (such as a planet) in orbit around it":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{
      "1740, in the meaning defined at sense 2":""
    },
    "time_of_retrieval":"20220709-065812"
  },
  "radiant point":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": radiant sense b":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220709-073551"
  },
  "radiation therapy":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": radiotherapy":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web",
      "One participant, Sascha Roth, was preparing to travel to Manhattan for weeks of radiation therapy when the results came in, Memorial Sloan Kettering said. \u2014 Natacha Larnaud, CBS News , 8 June 2022",
      "Birmann underwent two surgeries and radiation therapy , then a year of chemotherapy that ended four months ago. \u2014 Trevor Hass, BostonGlobe.com , 2 June 2022",
      "The prognosis was grim; radiation therapy began immediately, and the doctors\u2019 bills piled up. \u2014 Deborah Cohen, The Atlantic , 8 Mar. 2022",
      "There are two types of radiation therapy available today. \u2014 Devi Shastri, Milwaukee Journal Sentinel , 17 May 2022",
      "Throughout radiation therapy , patients can experience claustrophobia, panic attacks, skin changes and fatigue, according to Dr. Bates. \u2014 Julia Ries, Health.com , 7 Apr. 2022",
      "Proton therapy for cancer patients who require radiation therapy will soon be available in Wisconsin. \u2014 Corrinne Hess, Milwaukee Journal Sentinel , 16 May 2022",
      "Leukine was developed to help in the recovery of white blood cells following chemotherapy or radiation therapy . \u2014 Parija Kavilanz, CNN , 29 Mar. 2022",
      "My urologist referred me for radiation therapy , to be followed by Lupron every six months for two years. \u2014 Dr. Keith Roach, oregonlive , 23 Mar. 2022"
    ],
    "history_and_etymology":{},
    "first_known_use":{
      "1922, in the meaning defined above":""
    },
    "time_of_retrieval":"20220709-073636"
  },
  "radiant intensity":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": the radiant energy that is emitted by a source per unit time per unit solid angle in a given direction under conditions that the source may be considered as sensibly a point source and that is measured in units of watts per steradian":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220709-080249"
  },
  "radicle":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": the lower part of the axis of a plant embryo or seedling:":[],
      ": the root of a plant embryo":[],
      ": hypocotyl":[],
      ": the hypocotyl and the root together":[],
      ": radical sense 4":[]
    },
    "pronounciation":[
      "\u02c8rad-i-k\u0259l",
      "\u02c8ra-di-k\u0259l"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "Latin radicula , diminutive of radic-, radix":""
    },
    "first_known_use":{
      "1671, in the meaning defined at sense 1":""
    },
    "time_of_retrieval":"20220709-081330"
  },
  "radiant heating":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": panel heating":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220709-085120"
  },
  "radiotherapy":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": the treatment of disease with radiation (such as X-rays)":[]
    },
    "pronounciation":[
      "\u02ccr\u0101d-\u0113-\u014d-\u02c8ther-\u0259-p\u0113",
      "\u02ccr\u0101-d\u0113-\u014d-\u02c8ther-\u0259-p\u0113"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web",
      "People who received all three treatments had the highest rates of depression and anxiety, and chemotherapy was linked to significantly higher rates of psychiatric disorders compared to those who only received radiotherapy . \u2014 Julia Ries, Health.com , 7 Apr. 2022",
      "After eight months of treatment, including chemotherapy, radiotherapy , and an ongoing clinical trial, she was given the all-clear. \u2014 People Staff, PEOPLE.com , 30 Mar. 2022",
      "His son Noah was diagnosed with liver cancer in 2016 but has been in remission since 2017 following chemotherapy and radiotherapy . \u2014 Keith Caulfield, Billboard , 23 Mar. 2022",
      "Secondly, as reported by NBC and others, Powell had a type of cancer called multiple myeloma, a type of blood cancer which can sometimes be controlled for several years using chemotherapy, radiotherapy and immunotherapy treatments. \u2014 Victoria Forster, Forbes , 18 Oct. 2021",
      "Healthcare providers can use machine learning in combination with a cancer patient\u2019s medical scans, lab tests and EHR data for generating a safer radiotherapy regimen. \u2014 Sergey Avdeychik, Forbes , 29 Oct. 2021",
      "Cancer is a disease in which cells in the body abnormally and uncontrollably grow and multiply, according to Dr. Henry Park, chief of thoracic radiotherapy at Yale Medicine. \u2014 Sudiksha Kochi, USA TODAY , 21 Oct. 2021",
      "The Instagram post, liked about 100 times in the first day online, adds that biopsy, radiotherapy and chemotherapy are harmful. \u2014 Sudiksha Kochi, USA TODAY , 21 Oct. 2021",
      "But many do not return to life as usual right after getting out of the chemotherapy chair or off the radiotherapy table. \u2014 Annette L. Stanton, STAT , 5 Sep. 2021"
    ],
    "history_and_etymology":{
      "International Scientific Vocabulary":""
    },
    "first_known_use":{
      "1902, in the meaning defined above":""
    },
    "time_of_retrieval":"20220709-091454"
  },
  "radiumize":{
    "type":[
      "transitive verb"
    ],
    "definitions":{
      ": to subject to the action of radium":[
        "the green effect in radiumized diamonds",
        "\u2014 Time"
      ]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "radium entry 1 + -ize":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220709-100210"
  },
  "radial symmetry":{
    "type":[
      "adjective",
      "noun"
    ],
    "definitions":{
      ": the condition of having similar parts regularly arranged around a central axis":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web",
      "At the Rubenstein Arts Center on Duke University\u2019s campus, an image from a microscope makes an alien landscape out of the knobby, radial symmetry of a sea urchin skeleton. \u2014 Marissa Fessenden, Smithsonian , 12 July 2018"
    ],
    "history_and_etymology":{},
    "first_known_use":{
      "1872, in the meaning defined above":""
    },
    "time_of_retrieval":"20220709-101210"
  },
  "radially":{
    "type":[
      "adjective",
      "adverb",
      "noun"
    ],
    "definitions":{
      ": arranged or having parts arranged like rays":[],
      ": relating to, placed like, or moving along a radius":[],
      ": characterized by divergence from a center":[],
      ": of, relating to, or adjacent to a bodily radius":[],
      ": developing uniformly around a central axis":[],
      ": a radial part":[],
      ": ray":[],
      ": a body part (such as an artery) lying near or following the course of the radius":[],
      ": a pneumatic tire in which the ply cords that extend to the beads are laid at approximately 90 degrees to the centerline of the tread":[]
    },
    "pronounciation":[
      "\u02c8r\u0101d-\u0113-\u0259l",
      "\u02c8r\u0101-d\u0113-\u0259l"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Adjective",
      "the radial form of a starfish",
      "Recent Examples on the Web: Adjective",
      "The black stone Sillage d\u2019Hermes table is hand engraved in a radial pattern and turns gray when etched. \u2014 Damon Johnstun, oregonlive , 26 May 2022",
      "Preliminary processing of the third stage suggests pseudo- radial fracture growth, around the well at the center. \u2014 Ian Palmer, Forbes , 19 May 2022",
      "For the big presentation of Bitcoin City in El Salvador, Romero showed off a model, bathed in gold paint, that showed a radial city, which at its heart bore the bitcoin logo. \u2014 Carolina A. Mirandacolumnist, Los Angeles Times , 14 May 2022",
      "In the United States, there are two common types of phalloplasty: radial forearm flap (or R.F.F., which uses the forearm as a skin-flap donor site) and anterolateral thigh (or ALT, which uses the thigh). \u2014 New York Times , 10 May 2022",
      "Whether symmetrical or asymmetrical, the image should have a sense of balance visually and a radial arrangement as viewed from a central point. \u2014 oregonlive , 4 May 2022",
      "The propellers, all four, are almost 17 feet across, and they\u2019re attached to 2,400-hp Wright R-3350-24WA 18-cylinder radial engines, which give it a top speed of 225 mph and 190-mph cruise speed with a 4,900-mile range. \u2014 J. George Gorant, Robb Report , 29 Mar. 2022",
      "It's estimated that Proxima Centauri's variability can often look like a radial velocity signal equivalent to a meter per second. \u2014 John Timmer, Ars Technica , 10 Feb. 2022",
      "But this is the first time the radial velocity method has been used to find such a lightweight planet. \u2014 Ashley Strickland, CNN , 10 Feb. 2022",
      "Recent Examples on the Web: Noun",
      "His space suit was pumped up like an all-season radial . \u2014 Outside Online , 23 June 2021",
      "Instead only the most distal ones are homologous to digit bones; the proximal radials are homologous to the wrist bones and the long bones of the palm. \u2014 John A. Long, Scientific American , 20 May 2020",
      "Enter the panda\u2019s pseudo-thumb, which is also composed of an enlarged radial sesamoid and cartilaginous extension, and is controlled by the same three muscles as in the aye-aye. \u2014 National Geographic , 21 Oct. 2019",
      "Andretti first credits the slicks, and then changing from a cross-ply construction to radials . \u2014 Tim Newcomb, Popular Mechanics , 24 May 2019",
      "There\u2019s a sort of radial set up to the room, that big gem in the middle was basically a topper on a giant, carpeted wedding cake, which seemed the ideal architecture for some sort of romantic ritual. \u2014 Lucy Boyle, The Cut , 30 Oct. 2017",
      "The bias ply is easier to retread while the radial is lighter. \u2014 John Cox, USA TODAY , 22 Oct. 2017",
      "Line lock helps the driver warm the rear drag radials , a special air-conditioning circuit chills the intercooler, and a trans brake makes for easy launches and helps the Demon perform the briefest of wheelies. \u2014 Car and Driver , 10 Oct. 2017",
      "The car comes on four drag radials , but the eight-speed ZF 8HP automatic turns only the rear wheels. \u2014 K.c. Colwell, Car and Driver , 20 July 2017"
    ],
    "history_and_etymology":{
      "Medieval Latin radialis , from Latin radius ray":"Adjective"
    },
    "first_known_use":{
      "1570, in the meaning defined at sense 1":"Adjective",
      "1872, in the meaning defined at sense 1a":"Noun"
    },
    "time_of_retrieval":"20220709-103105"
  },
  "radius gage":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a gage for determining the curvature of internal and external fillets":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220709-105134"
  },
  "radio-frequency amplification":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": amplification of current of radio frequency that in receiving sets is in the stages preceding the detector":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220709-114240"
  },
  "radiated":{
    "type":[
      "adjective",
      "adverb",
      "verb"
    ],
    "definitions":{
      ": to proceed in a direct line from or toward a center":[],
      ": to send out rays : shine brightly":[],
      ": to issue in or as if in rays":[],
      ": to evolve by adaptive radiation":[],
      ": to send out in or as if in rays":[],
      ": irradiate , illuminate":[],
      ": to spread abroad or around as if from a center":[],
      ": having rays or radial parts: such as":[],
      ": having ray flowers":[],
      ": characterized by radial symmetry : radially symmetrical":[]
    },
    "pronounciation":[
      "\u02c8r\u0101d-\u0113-\u02cc\u0101t",
      "\u02c8r\u0101-d\u0113-\u0259t",
      "-\u02cc\u0101t",
      "\u02c8r\u0101d-\u0113-\u0259t, -\u0113-\u02cc\u0101t",
      "\u02c8r\u0101-d\u0113-\u02cc\u0101t"
    ],
    "synonyms":[
      "branch",
      "fan (out)",
      "ray"
    ],
    "antonyms":[
      "concentrate",
      "converge",
      "focus",
      "funnel",
      "meet"
    ],
    "synonym_discussion":"",
    "examples":[
      "Verb",
      "The pain was radiating down my arm.",
      "The sun radiates heat and light.",
      "Heat radiates from the sun.",
      "Recent Examples on the Web: Verb",
      "Little Miner\u2019s success is not a momentary starburst, a happy accident based on some curious collision of pandemic ennui, culinary fad and cultural obsession for foods that ooze, drip and radiate their charisma across our social channels. \u2014 Washington Post , 16 Nov. 2021",
      "Although the olfactory bulb isn\u2019t involved in cognitive functions, tenOever said, inflammation there can radiate deeper into the brain. \u2014 Jason Mast, STAT , 13 June 2022",
      "Those passageways radiate out from the centers like spokes on a wheel, and stretch for several miles. \u2014 Brian Handwerk, Smithsonian Magazine , 25 May 2022",
      "All roads lead to... Cotoca",
      "Furthermore, much of the valley and even the surrounding mountains are meadows, which allows heat to radiate upward and outward into the atmosphere faster than would forest or, especially, urban settings. \u2014 Washington Post , 23 June 2021",
      "That allows your body heat to radiate outward, turning your sleeping bag into a warm sac of air. \u2014 Erin Berger, Outside Online , 22 June 2020",
      "In person, Taylor\u2019s wit and matter-of-fact intelligence radiate warmth. \u2014 Los Angeles Times , 23 Mar. 2022",
      "The day before on Sunday, May 15, the moon will radiate a reddish hue for 84 minutes \u2014 as the Flower Moon will simultaneously be a Blood Moon total lunar eclipse, best viewed in North and South America. \u2014 Skyler Caruso, PEOPLE.com , 13 Apr. 2022"
    ],
    "history_and_etymology":{
      "Latin radiatus , past participle of radiare , from radius ray":"Verb"
    },
    "first_known_use":{
      "circa 1619, in the meaning defined at intransitive sense 1":"Verb",
      "1668, in the meaning defined above":"Adjective"
    },
    "time_of_retrieval":"20220709-120523"
  },
  "radicalism":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": the quality or state of being radical":[],
      ": the doctrines or principles of radicals":[]
    },
    "pronounciation":[
      "\u02c8ra-di-k\u0259-\u02ccli-z\u0259m"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web",
      "Many studies of radicalism highlight key thinkers and writings, but Mr. Gatrell looks at how ordinary people made radical ideas their own. \u2014 William Anthony Hay, WSJ , 17 June 2022",
      "Here is the radicalism of Reagan: Orthodox economics attempts to use both monetary and fiscal policy to manipulate the availability of dollars. \u2014 Richard Vigilante, WSJ , 16 June 2022",
      "Ultimately, structural reform is the only true long-term solution to the radicalism that has emerged from our partisan primaries. \u2014 Garry Kasparov, CNN , 26 Apr. 2022",
      "At several points, its author endorses\u2014another small radicalism \u2014the benefits of psychotherapy. \u2014 Megan Garber, The Atlantic , 19 May 2022",
      "But after two years of debates over pandemic school closures, school mask mandates, critical race theory, gender radicalism , student-loan forgiveness, and campus assaults on free speech, the ... \u2014 Frederick M. Hess, National Review , 12 May 2022",
      "The radicalism was also aimed at attacking the United States. \u2014 Washington Post , 13 Aug. 2021",
      "These six years weren't all COVID and Republican radicalism , of course. \u2014 David Faris, The Week , 12 May 2022",
      "That law, passed last year, has been used to close some mosques and Islamic associations accused of fostering radicalism . \u2014 New York Times , 17 Apr. 2022"
    ],
    "history_and_etymology":{},
    "first_known_use":{
      "1817, in the meaning defined at sense 1":""
    },
    "time_of_retrieval":"20220709-122534"
  },
  "radix":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": the base of a number system or of logarithms":[],
      ": the primary source":[]
    },
    "pronounciation":[
      "\u02c8r\u0101-diks",
      "\u02c8r\u0101d-iks"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web",
      "Radical\u2019 comes from the Latin word radix , for root, and that\u2019s exactly what this is: change at the root. \u2014 Elizabeth Kolbert, The New Yorker , 11 Apr. 2022"
    ],
    "history_and_etymology":{
      "Latin, root \u2014 more at root":""
    },
    "first_known_use":{
      "1607, in the meaning defined at sense 2":""
    },
    "time_of_retrieval":"20220709-124253"
  },
  "radiogenetics":{
    "type":[
      "noun plural but singular or plural in construction"
    ],
    "definitions":{
      ": a division of radiobiology dealing with genetic systems":[]
    },
    "pronounciation":[
      "\u00a6r\u0101d\u0113(\u02cc)\u014d+"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "radio- + genetics":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220709-125034"
  },
  "radiobiology":{
    "type":[
      "adjective",
      "adverb",
      "noun"
    ],
    "definitions":{
      ": a branch of biology dealing with the effects of radiation or radioactive materials on biological systems":[]
    },
    "pronounciation":[
      "\u02ccr\u0101d-\u0113-\u014d-b\u012b-\u02c8\u00e4l-\u0259-j\u0113",
      "\u02ccr\u0101-d\u0113-\u014d-b\u012b-\u02c8\u00e4-l\u0259-j\u0113"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{
      "1919, in the meaning defined above":""
    },
    "time_of_retrieval":"20220709-125443"
  },
  "radio":{
    "type":[
      "adjective",
      "combining form",
      "noun",
      "verb"
    ],
    "definitions":{
      ": of, relating to, or operated by radiant energy":[],
      ": of or relating to electric currents or phenomena (such as electromagnetic radiation ) of frequencies between about 3000 hertz and 300 gigahertz":[],
      ": of, relating to, or used in radio or a radio set":[],
      ": specializing in radio or associated with the radio industry":[],
      ": transmitted by radio":[],
      ": making or participating in radio broadcasts":[],
      ": controlled or directed by radio":[],
      ": the wireless transmission and reception of electric impulses or signals by means of electromagnetic waves":[],
      ": the use of these waves for the wireless transmission of electric impulses into which sound is converted":[],
      ": a radio message":[],
      ": a radio receiving set":[],
      ": a radio transmitting station":[],
      ": a radio broadcasting organization":[],
      ": the radio broadcasting industry":[],
      ": communication by radio":[],
      ": to send or communicate by radio":[],
      ": to send a radio message to":[],
      ": to send or communicate something by radio":[],
      "\u2014 see radi-":[]
    },
    "pronounciation":[
      "\u02c8r\u0101-d\u0113-\u02cc\u014d"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Noun",
      "The news was sent by radio .",
      "I listen to the radio all the time.",
      "I heard the news on the radio .",
      "There's a problem with the car's radio .",
      "The radio was playing very loudly.",
      "The pilot's radio wasn't working.",
      "Verb",
      "The police radioed for backup.",
      "The stranded sailors were radioing for help.",
      "The pilot radioed in to the control tower.",
      "The police radioed a report back to the station.",
      "They radioed the Coast Guard for help.",
      "Recent Examples on the Web: Adjective",
      "Pence is a 61-year-old former Indiana governor, former member of Congress, an ex- radio host and an evangelical Christian. \u2014 Arkansas Online , 8 Oct. 2020",
      "Pence is a 61-year-old former Indiana governor and ex- radio host, an evangelical Christian known for his Midwestern charm and unwavering loyalty to Trump. \u2014 Anchorage Daily News , 8 Oct. 2020",
      "The vice president is a 61-year-old former Indiana governor and ex- radio host, an evangelical Christian known for his folksy charm and unwavering loyalty to Trump. \u2014 Steve Peoples, chicagotribune.com , 7 Oct. 2020",
      "Pence is a 61-year-old former Indiana governor and ex- radio host, an evangelical Christian known for his folksy charm and unwavering loyalty to Trump. \u2014 Steve Peoples, Star Tribune , 7 Oct. 2020",
      "The vice president is a 61-year-old former Indiana governor and ex- radio host, an evangelical Christian known for his folksy charm and unwavering loyalty to Trump. \u2014 The Associated Press, NOLA.com , 7 Oct. 2020",
      "Recent Examples on the Web: Noun",
      "The rally was scheduled weeks after he was invited to the Monday forum, according to moderator Joe Giganti, who hosts a conservative radio show on WTAQ in Green Bay. \u2014 Molly Beck, Journal Sentinel , 28 June 2022",
      "Benally, who lives in Flagstaff, Arizona, and part time at the Navajo Nation reservation, was in California to record a pilot of her new radio show about Indigenous youth. \u2014 Tribune News Service, oregonlive , 26 June 2022",
      "One was a 1956 radio interview that basically contains Parker's master plan for Presley's career. \u2014 Maureen Lee Lenker, EW.com , 23 June 2022",
      "While speaking to host Howard Stern during the radio interview, Snoop explained his reasoning for hiring a blunt roller. \u2014 Jack Irvin, PEOPLE.com , 9 June 2022",
      "In the 10-minute radio interview conducted by hosts Bobby Carpenter and Jacob Hester -- the former LSU fullback who played for Saban and Fisher in 2004 -- Saban was not asked about any of the specifics of Fisher\u2019s news conference. \u2014 Mike Rodak | Mrodak@al.com, al , 19 May 2022",
      "Yellen's successor as chair of the Federal Reserve, Jerome Powell, said in a radio interview for Marketplace last week that the central bank's ability to lower inflation while keeping the economy going could depend on what happens globally. \u2014 Josh Boak, ajc , 18 May 2022",
      "Fans are rallying behind Kehlani on social media this week after a recent radio interview with the singer went viral for all the wrong reasons. \u2014 Christi Carrasstaff Writer, Los Angeles Times , 10 May 2022",
      "Data shows 27 gunfire incidents between Jan. 1 and June 1, compared to 31 incidents at the same time last year, a decrease of 13%, Lalley said on her radio show, Fridays with the Finest. \u2014 Gloria Casas, Chicago Tribune , 11 June 2022",
      "Recent Examples on the Web: Verb",
      "Apolinar tried to radio for help, but one of the bullets had sliced her tongue apart. \u2014 NBC News , 27 Mar. 2022",
      "But in recent years, SAG merged with AFTRA (the American Federation of Television and Radio Artists), resulting in an influx of everyone from TV meteorologists to radio talk-show hosts; more recently, the guild began admitting TikTokers, too. \u2014 Scott Feinberg, The Hollywood Reporter , 11 Feb. 2022",
      "This in turn can form a rotating ring of matter (aka an accretion disk) around the black hole that emits powerful X-rays and visible light\u2014and sometimes radio waves. \u2014 Jennifer Ouellette, Ars Technica , 11 Jan. 2022",
      "The ex-police officers\u2019 patrol supervisor, Sergeant Jose Gomez, tried to radio their unit to ask for backup at the mall but received no response. \u2014 Celina Tebor, USA TODAY , 11 Jan. 2022",
      "He is also seen attempting unsuccessfully to radio desperate reports that he, and Staff Sgts. \u2014 James Gordon Meek, ABC News , 16 Dec. 2021",
      "In late 2019, according to the industry news site Inside Radio, 127.6 million women 12 and older listened to radio each week. \u2014 Rex Huppke, chicagotribune.com , 5 Nov. 2021",
      "He is also seen attempting unsuccessfully to radio desperate reports that he, Black and Wright have each been wounded, according to officials and family members who watched the full video. \u2014 James Gordon Meek, ABC News , 11 Nov. 2021",
      "However, Wagner instructed him to not to radio for help. \u2014 David Oliver, USA TODAY , 10 Nov. 2021"
    ],
    "history_and_etymology":{
      "short for radiotelegraphy":"Noun and Adjective"
    },
    "first_known_use":{
      "1887, in the meaning defined at sense 1":"Adjective",
      "1903, in the meaning defined at sense 1a":"Noun",
      "1913, in the meaning defined at transitive sense 1":"Verb"
    },
    "time_of_retrieval":"20220709-130454"
  },
  "radicals":{
    "type":[
      "adjective",
      "adverb",
      "noun"
    ],
    "definitions":{
      ": of, relating to, or proceeding from a root: such as":[],
      ": of or growing from the root of a plant":[
        "radical tubers"
      ],
      ": growing from the base of a stem, from a rootlike stem, or from a stem that does not rise above the ground":[
        "radical leaves"
      ],
      ": of, relating to, or constituting a linguistic root":[],
      ": of or relating to a mathematical root":[],
      ": designed to remove the root of a disease or all diseased and potentially diseased tissue":[
        "radical surgery",
        "radical mastectomy"
      ],
      ": of or relating to the origin : fundamental":[],
      ": very different from the usual or traditional : extreme":[],
      ": favoring extreme changes in existing views, habits, conditions, or institutions":[],
      ": associated with political views, practices, and policies of extreme change":[],
      ": advocating extreme measures to retain or restore a political state of affairs":[
        "the radical right"
      ],
      ": excellent , cool":[],
      ": a root part":[],
      ": a basic principle : foundation":[],
      ": root sense 6":[],
      ": a sound or letter belonging to a radical":[],
      ": one who is radical":[],
      ": a mathematical expression indicating a root by means of a radical sign":[],
      ": radical sign":[]
    },
    "pronounciation":[
      "\u02c8rad-i-k\u0259l",
      "\u02c8ra-di-k\u0259l"
    ],
    "synonyms":[
      "extreme",
      "extremist",
      "fanatic",
      "fanatical",
      "rabid",
      "revolutionary",
      "revolutionist",
      "ultra"
    ],
    "antonyms":[
      "crazy",
      "extremist",
      "revolutionary",
      "revolutionist"
    ],
    "synonym_discussion":"",
    "examples":[
      "Adjective",
      "The computer has introduced radical innovations.",
      "There are some radical differences between the two proposals.",
      "The new president has made some radical changes to the company.",
      "a radical wing of extremists",
      "Noun",
      "He was a radical when he was young, but now he's much more moderate.",
      "radicals staged large, violent protests in the hopes of toppling the government",
      "Recent Examples on the Web: Adjective",
      "Tom McMillen, president and CEO of the LEAD1 Association, which represents top-tier athletic directors, suggests a less radical approach. \u2014 Eric Olson, Chron , 30 June 2022",
      "The second, more radical approach would require Pence to delay the certification of the electoral college count to give state lawmakers time to select a new slate of electors who would vote for President Trump. \u2014 Freddy Brewster, Los Angeles Times , 16 June 2022",
      "Few films are proving to be as hotly anticipated as Greta Gerwig\u2019s upcoming Barbie, with many expecting the indie auteur to provide a radical , revisionist take on the origin story behind the beloved Mattel toy. \u2014 Liam Hess, Vogue , 15 June 2022",
      "Inspired by the government shutdown of 2013, the series was a radical shift from the sleek halls of Lockhart Gardner: a sci-fi comedy about killer bugs from outer space that infest the brains of congressmen, turning them into hyper-partisan maniacs. \u2014 Emily Nussbaum, The New Yorker , 13 June 2022",
      "The radical shift of the state GOP hasn\u2019t come about overnight. \u2014 Adrian Walker, BostonGlobe.com , 20 May 2022",
      "And marketing leaders face an even bigger hurdle in getting management teams on board with what is quite a radical approach to business. \u2014 Chris Martin, Forbes , 28 Mar. 2022",
      "Yet leveling up, like taking back control, is radical in theory and conservative in practice. \u2014 Tom Mctague, The Atlantic , 19 June 2022",
      "There were some Asian Americans at the California College of Arts and Crafts who introduced me to people in San Francisco who were more radical . \u2014 Hua Hsu, The New Yorker , 5 June 2022",
      "Recent Examples on the Web: Noun",
      "Failure to do so could bring a radical to the Presidency in five years\u2014with damaging consequences far beyond France. \u2014 The Editorial Board, WSJ , 20 June 2022",
      "But right then, in that moment, the 40-something poet, journalist and simmering social radical was trapped in a luxury car with the corporate squares, a beetle in cooling agate. \u2014 Dwain Hebda, Arkansas Online , 5 June 2022",
      "Identity politics aside, Republicans will face two challenges in portraying Jackson as a wild-eyed radical . \u2014 Dan Mclaughlin, National Review , 3 Mar. 2022",
      "Opa chafed in particular at the books and articles that reinforced the Nazi claim that Arthur had been a political radical . \u2014 Mattie Kahn, The Atlantic , 5 May 2022",
      "The Left is busy convincing itself that Youngkin has morphed into a radical . \u2014 The Editors, National Review , 19 Jan. 2022",
      "However, critics have painted her as a dangerous radical , recalling Zelaya's closeness to late Venezuelan president Hugo Chavez. \u2014 Reuters, CNN , 29 Nov. 2021",
      "Thus, according to Biden, Sen. Mitt Romney is alternately an honorable man who will never break his word, or a dangerous radical who will put a predominantly African-American audience back in chains. \u2014 W. James Antle Iii, The Week , 23 July 2021",
      "One explanation for her success is Ms. Wu herself, who is difficult to caricature as a radical . \u2014 Ellen Barry, New York Times , 3 Nov. 2021"
    ],
    "history_and_etymology":{
      "Middle English, from Late Latin radicalis , from Latin radic-, radix root \u2014 more at root":"Adjective"
    },
    "first_known_use":{
      "14th century, in the meaning defined at sense 1":"Adjective",
      "1641, in the meaning defined at sense 1a":"Noun"
    },
    "time_of_retrieval":"20220709-132102"
  },
  "radicand":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": the quantity under a radical sign":[]
    },
    "pronounciation":[
      "\u02ccra-d\u0259-\u02c8kand"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "Latin radicandum , neuter of radicandus , gerundive of radicari":""
    },
    "first_known_use":{
      "1889, in the meaning defined above":""
    },
    "time_of_retrieval":"20220709-133530"
  },
  "radio beacon":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a radio transmitting station that transmits special radio signals for use (as on a landing field) in determining the direction or position of those receiving them":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web",
      "They became stranded with only texting capabilities and an emergency position indicating radio beacon , officials said. \u2014 Fox News , 11 May 2022",
      "Carry an emergency position indicating radio beacon (EPIRB), personal locator beacon (PLB) or VHF radio. \u2014 oregonlive , 29 May 2021",
      "The Coast Guard received an emergency position-indicating radio beacon notification around 4:30 p.m. Tuesday about a vessel in distress. \u2014 NBC News , 19 Apr. 2021",
      "Aji said no radio beacon signal had been detected from the 26-year-old plane. \u2014 Niniek Karmini, BostonGlobe.com , 9 Jan. 2021",
      "The Coast Guard in Boston was notified by the boat's emergency position indicating radio beacon around 1 a.m., and calls to its satellite phone went unanswered. \u2014 Phil Helsel, NBC News , 24 Nov. 2020",
      "The Coast Guard received an emergency radio beacon from the Emmy Rose at 1 a.m. #USCG continues to search for four people off Provincetown, #MA. \u2014 CBS News , 23 Nov. 2020",
      "SZ DJI Technology, the world\u2019s largest civilian drone manufacturer, has urged the government not to require a new radio beacon be installed on its devices, which could drive up the cost. \u2014 Alan Levin, Fortune , 26 Dec. 2019",
      "The captain did not tell the marine guard before the ferry set off, didn't send a distress message before the vessel broke apart, and didn't activate the radio beacon which would have alerted others to their position. \u2014 Julia Hollingsworth, CNN , 9 Oct. 2019"
    ],
    "history_and_etymology":{},
    "first_known_use":{
      "1919, in the meaning defined above":""
    },
    "time_of_retrieval":"20220709-135734"
  },
  "radiation chemistry":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": chemistry that deals with the chemical effects of nuclear and other radiations on matter":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220709-142520"
  },
  "radio field intensity":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": the electromagnetic field intensity consisting of an electric and a magnetic field intensity produced by a radio wave and commonly expressed in millivolts per meter or microvolts per meter":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220709-144130"
  },
  "radio engineering":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a branch of electrical engineering concerned with the construction, operation, and maintenance of radio equipment":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220709-150858"
  },
  "radiatory":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": radiating":[],
      ": of or relating to radiation":[]
    },
    "pronounciation":[
      "\u02c8r\u0101d\u0113\u0259\u02cct\u014dr\u0113"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "radiate entry 1 + -ory":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220709-152717"
  },
  "radiothermics":{
    "type":[
      "noun plural but singular in construction"
    ],
    "definitions":{
      ": the science of heat generation by radio-frequency currents or by radio waves":[]
    },
    "pronounciation":[
      "\u02ccr\u0101d\u0113\u014d\u02c8th\u0259rmiks"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "radiothermy + -ics":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220709-152825"
  },
  "radial keratotomy":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a surgical operation on the cornea for the correction of myopia that involves flattening it by making a series of incisions in a radial pattern resembling the spokes of a wheel \u2014 compare photorefractive keratectomy":[]
    },
    "pronounciation":[
      "-\u02ccker-\u0259-\u02c8t\u00e4-t\u0259-m\u0113"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web",
      "Optometrists are still banned under the new law from doing cataract surgery and radial keratotomy surgery, and selling prescription drugs. \u2014 Michael R. Wickline, Arkansas Online , 13 Dec. 2019"
    ],
    "history_and_etymology":{},
    "first_known_use":{
      "1980, in the meaning defined above":""
    },
    "time_of_retrieval":"20220709-153400"
  },
  "radiation fog":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": an evening fog over damp grounds or valleys resulting from cooling by radiation":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220709-154419"
  },
  "radiogenic":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": produced by or determined from radioactivity":[
        "radiogenic isotopes",
        "radiogenic tumors"
      ]
    },
    "pronounciation":[
      "\u02ccr\u0101-d\u0113-\u014d-\u02c8je-nik",
      "\u02ccr\u0101d-\u0113-\u014d-\u02c8jen-ik"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web",
      "Mojzsis says another big unknown is planet formation, a complicated process that can lead to variations in a world\u2019s reservoirs of radiogenic elements and internal heat. \u2014 Marcus Woo, Scientific American , 17 Nov. 2020",
      "In the early years of the energy employees\u2019 compensation program, more than a dozen workers, like Somerville, tested positive for beryllium sensitization and later developed the full-blown disease and radiogenic cancers, Pompa said. \u2014 Yamil Berard, star-telegram , 12 Dec. 2015",
      "The fate of high-angle dipping slabs in the subduction factory: an integrated trace element and radiogenic isotope (U, Th, Sr, Nd, Pb) study of Stromboli Volcano, Aeolian Arc, Italy. \u2014 Erik Klemetti, WIRED , 20 Aug. 2010"
    ],
    "history_and_etymology":{},
    "first_known_use":{
      "1930, in the meaning defined above":""
    },
    "time_of_retrieval":"20220709-160741"
  },
  "radial arm":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a device for changing the direction of a pipeline when the angle is less than 30 degrees":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220709-165036"
  },
  "radio spectrum":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": the region of the electromagnetic spectrum spanning the radio frequency range":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web",
      "The new high-speed wireless service uses a segment of the radio spectrum , C-Band, that is close to that used by altimeters, which are devices that measure the height of aircraft above the ground. \u2014 David Koenig, Anchorage Daily News , 18 Jan. 2022",
      "In this race with high economic stakes, EU nations are moving too slowly because of a failure to do things such as assign radio spectrum for 5G services, according to the ECA. \u2014 Staff Writer, The Christian Science Monitor , 28 Jan. 2022",
      "The telecoms, the FCC and their supporters argue that C-Band and aircraft altimeters operate far enough apart on the radio spectrum to avoid interference. \u2014 David Koenig, ajc , 19 Jan. 2022",
      "The Federal Communications Commission on Friday said AT&T spent $9.1 billion and Dish spent $7.3 billion to secure rights to use the airwaves, which sit above 3.45 gigahertz on the radio spectrum . \u2014 Drew Fitzgerald, WSJ , 14 Jan. 2022",
      "In the last days of the Trump administration, the FCC took away most of the radio spectrum that cars were planning to use. \u2014 CBS News , 19 Feb. 2022",
      "The new high-speed wireless service uses a segment of the radio spectrum that is close to that used by altimeters, which are devices that measure the height of aircraft above the ground. \u2014 David Koenig, ajc , 19 Jan. 2022",
      "The new high-speed 5G service uses a segment of the radio spectrum that is close to that used by altimeters, which are devices that measure the height of aircraft above the ground. \u2014 David Koenig, chicagotribune.com , 18 Jan. 2022",
      "Those are related to a type of 5G service that relies on chunks of radio spectrum called C-Band, which wireless carriers spent billions of dollars to buy up last year. \u2014 Fox News , 4 Jan. 2022"
    ],
    "history_and_etymology":{},
    "first_known_use":{
      "1927, in the meaning defined above":""
    },
    "time_of_retrieval":"20220709-170302"
  },
  "radioactive equilibrium":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": the condition in which a radioactive species and its successive radioactive products have attained such relative proportions that they all disintegrate at the same numerical rate and therefore maintain their proportions constant":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220709-170419"
  },
  "radome":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a plastic housing sheltering the antenna assembly of a radar set especially on an airplane":[]
    },
    "pronounciation":[
      "\u02c8r\u0101-\u02ccd\u014dm"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web",
      "The pilothouse seems most like a conventional yacht, while the whimsy begins again on the flybridge, with its teak deck, and aquamarine upper helm, tables and even the top radome . \u2014 Michael Verdon, Robb Report , 13 May 2022",
      "The team is set inspect the gear box inside the radome , the large golf ball-like bubble that houses the actual rotating antenna. \u2014 Washington Post , 24 Sep. 2020",
      "Grainy photographs out of China depict a plane that is practically identical to the E-2 Hawkeye, from the shape of the aircraft to the radome mounted on top. \u2014 Kyle Mizokami, Popular Mechanics , 31 Aug. 2020",
      "The nose cone is a radome , which is any dome that protects and encloses radar equipment. \u2014 Caroline Delbert, Popular Mechanics , 8 July 2020",
      "The platform appears to be topped with a radome and solar panels, and its strategic location makes it likely it is intended to extend China\u2019s radar or signals intelligence collection in the area, the report said. \u2014 Alice Fung, The Seattle Times , 21 Nov. 2018",
      "To give you an idea of just how big this radar is, the spherical radome , which protects the radar from the elements, is more than 103 feet high and 120 feet in diameter. \u2014 Kyle Mizokami, Popular Mechanics , 4 Nov. 2016",
      "While simulated birds of the same weight just bounce off, a drone can become embedded or even tear right through the radome . \u2014 David Hambling, Popular Mechanics , 22 Dec. 2016",
      "If the battery was lodged inside a radome or embedded in a plane, a fire could be the catastrophic icing on a tragic cake. \u2014 David Hambling, Popular Mechanics , 22 Dec. 2016"
    ],
    "history_and_etymology":{
      "ra dar dome":""
    },
    "first_known_use":{
      "circa 1944, in the meaning defined above":""
    },
    "time_of_retrieval":"20220709-170815"
  },
  "radicated":{
    "type":[
      "adjective",
      "verb"
    ],
    "definitions":{
      ": to cause to take root : plant deeply and firmly":[],
      ": to fix or establish firmly":[
        "the missionary function of the Church is radicated in \u2026 God's Providence",
        "\u2014 J. D. Hassett"
      ],
      ": to take root":[],
      ": radicated":[]
    },
    "pronounciation":[
      "\u02c8rad\u0259\u02cck\u0101t"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "Middle English radicaten , from Latin radicatus , past participle of radicare, radicari to take root, from radic-, radix root":"Verb",
      "Latin radicatus , past participle of radicare, radicari to take root":"Adjective"
    },
    "first_known_use":{},
    "time_of_retrieval":"20220709-170914"
  },
  "radio compass":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a direction finder used in navigation":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web",
      "But radio compass bearings were relatively new navigational aids at the time and not trusted by veteran mariners. \u2014 Scott Harrison, Los Angeles Times , 6 Sep. 2019"
    ],
    "history_and_etymology":{},
    "first_known_use":{
      "1912, in the meaning defined above":""
    },
    "time_of_retrieval":"20220709-174427"
  },
  "radio-ulna":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a single bone in the forelimb of an amphibian (such as a frog) that represents fusion of the separate radius and ulna of higher vertebrate forms":[]
    },
    "pronounciation":[
      "\u02ccr\u0101-d\u0113-\u014d-\u02c8\u0259l-n\u0259"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin":""
    },
    "first_known_use":{
      "1897, in the meaning defined above":""
    },
    "time_of_retrieval":"20220709-175820"
  },
  "radio telescope":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a radio receiver-antenna combination used for observation in radio astronomy":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web",
      "One is using a giant new radio telescope , and the other is choosing a compelling new target. \u2014 Chris Impey, The Conversation , 29 Apr. 2022",
      "The messages close with an invitation for extraterrestrials to respond using a radio telescope apparatus of their own. \u2014 Zoe Sottile, CNN , 7 May 2022",
      "It\u2019s all designed to work together and control the biggest radio telescope the world has ever seen. \u2014 Joshua Hawkins, BGR , 14 Apr. 2022",
      "Half a decade afterward, a few dozen of the astronomers and astrophysicists laboring in this obscure corner of astronomy agreed on the formal goal of building a virtual planet-scale radio telescope to observe that shadow. \u2014 Seth Fletcher, Scientific American , 12 May 2022",
      "The image was taken by the Event Horizon Telescope (EHT), a project that connects radio telescope arrays around the planet and essentially creates a super-telescope that's 6,200 miles across, which is just shy of the full diameter of Earth. \u2014 Stefanie Waldek, Travel + Leisure , 12 May 2022",
      "The report proposes using the FAST Observable Field, the largest radio telescope in the world, located in Pingtang, Guizhoou, China, to send the message. \u2014 Zoe Sottile, CNN , 7 May 2022",
      "One of these new messages will be sent from the world\u2019s largest radio telescope , in China, sometime in 2023. \u2014 Chris Impey, The Conversation , 29 Apr. 2022",
      "Astronomers across Africa and Europe have reacted with delight to news that Africa\u2019s first millimetre-range radio telescope is to be built. \u2014 Sarah Wild, Scientific American , 9 Feb. 2022"
    ],
    "history_and_etymology":{},
    "first_known_use":{
      "1947, in the meaning defined above":""
    },
    "time_of_retrieval":"20220709-183227"
  },
  "radish":{
    "type":[
      "noun"
    ],
    "definitions":{},
    "pronounciation":[
      "also \u02c8re-",
      "\u02c8ra-dish"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web",
      "Try frozen or fresh tteok with arugula, halloumi, and gochujang brown butter; in tteokguk, a beef soup with Korean radish ; in dakgalbi with chicken, cabbage, and sweet potato; or in classic tteokbokki. \u2014 Bon App\u00e9tit , 24 May 2022",
      "Sticky lamb ribs glazed with aged soy sauce and served with sesame sticky rice, charred cucumber and pickled radish . \u2014 Susan Selasky, Detroit Free Press , 24 Apr. 2022",
      "The restaurant's signature item, the Bap and Chicken, arrived in a paper bowl with a soft poached egg tucked underneath the medley of fried chicken, saut\u00e9ed mushrooms and pickled daikon radish . \u2014 Andi Berlin, The Arizona Republic , 5 Mar. 2022",
      "On the far left, little gem lettuce with radish and anchovies; on the far right, a dish of artichoke, garlic flowers and egg from the property\u2019s Marans hens. \u2014 WSJ , 18 June 2022",
      "Sandwiches include sides of fantastic fresh-cut fries or a bountiful mixed greens salad, with seasonal Werp Farms lettuce and watermelon radish . \u2014 Louisa Chu, chicagotribune.com , 14 Mar. 2022",
      "Black radish , ramolaccio, is also quite tasty and is almost as prolific as the mustard. \u2014 Mary Forgione, Los Angeles Times , 21 Apr. 2022",
      "Maple & Ash Head to Scottsdale for a brunch special ($90) of lobster avocado toast embellished with chili crunch, radish and herbs and regular brunch entrees from 10 a.m. to 1:30 p.m. on Sunday. \u2014 Georgann Yara, The Arizona Republic , 3 May 2022",
      "Starters include hamachi with avocado, black radish and yuzu dressing, foie gras torchon with date-lemon chutney, Comte souffle with caviar, and a duck terrine with pistachios and bacon. \u2014 William Li, Town & Country , 22 Apr. 2022"
    ],
    "history_and_etymology":{
      "Middle English, alteration of Old English r\u00e6dic , from Latin radic-, radix root, radish \u2014 more at root":""
    },
    "first_known_use":{
      "15th century, in the meaning defined above":""
    },
    "time_of_retrieval":"20220709-184504"
  },
  "radix graminis":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": the rootstock of a couch grass ( Agropyron repens ) formerly used as a diuretic and aperient":[]
    },
    "pronounciation":[
      "-\u02c8gram\u0259n\u0259\u0307s"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "Latin, root of grass":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220709-184703"
  },
  "radiant heater":{
    "type":[
      "noun"
    ],
    "definitions":{},
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220709-184800"
  },
  "radical sign":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": the sign \u221a\u035e or \u221a placed before an expression to denote that the square root is to be extracted or that the root marked by an index (as in \u221b or \u221b for the cube root) is to be extracted":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{
      "1668, in the meaning defined above":""
    },
    "time_of_retrieval":"20220709-185111"
  },
  "radial bearing":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a ball bearing in which the direction of action of the load transmitted is radial to the axis of the shaft":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220709-190455"
  },
  "radium dial":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a clock, watch, or instrument dial having figures coated with luminous paint":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220709-191157"
  },
  "radon seed":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": radon packed in a container for local application in cancer \u2014 compare seed sense 4b":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220709-192454"
  },
  "radio altimeter":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": an altimeter utilizing the lag between the time of transmission of a radio wave from an airplane and the time of reception of the same wave after reflection from the ground":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220709-195233"
  },
  "radial cleavage":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": holoblastic cleavage that is typical of deuterostomes and that is characterized by arrangement of the blastomeres of each upper tier directly over those of the next lower tier resulting in radial symmetry around the pole to pole axis of the embryo \u2014 compare spiral cleavage":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{
      "1973, in the meaning defined above":""
    },
    "time_of_retrieval":"20220709-195822"
  },
  "Radical Republican":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a Republican favoring drastic and usually repressive measures against the southern states in the period following the Civil War":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220709-200501"
  },
  "radioactive constant":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a constant of radioactivity represented by \u03bb in the equation I t = I o e \u2212 \u03bb, where I o is initial activity, I t activity after time t , and e the natural logarithmic base":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220709-201304"
  },
  "radiotelephone":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": an apparatus for carrying on wireless telephony by radio waves":[]
    },
    "pronounciation":[
      "\u02ccr\u0101-d\u0113-\u014d-\u02c8te-l\u0259-\u02ccf\u014dn"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "International Scientific Vocabulary":""
    },
    "first_known_use":{
      "1904, in the meaning defined above":""
    },
    "time_of_retrieval":"20220709-210614"
  },
  "radioelement":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a radioactive element":[]
    },
    "pronounciation":[
      "-\u02c8el-\u0259-m\u0259nt",
      "\u02ccr\u0101-d\u0113-\u014d-\u02c8e-l\u0259-m\u0259nt"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "International Scientific Vocabulary":""
    },
    "first_known_use":{
      "1903, in the meaning defined above":""
    },
    "time_of_retrieval":"20220709-211149"
  },
  "radical axis":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a straight line that is the locus of points from which tangents drawn to two given circles are equal":[],
      ": a straight line common to the three radical planes of three given spheres taken in pairs":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220709-211918"
  },
  "radial drill":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a drilling machine with the drill spindle in a toolhead and saddle that are movable along a projecting arm which itself can be rotated about a vertical column":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220709-214856"
  },
  "radiogoniometry":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": the art or science of measuring the direction from which radio waves come":[]
    },
    "pronounciation":[
      "\"+"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "International Scientific Vocabulary radio- + goniometry":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220709-215441"
  },
  "radiale":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a bone in the carpus of a bird made up of the radiale fused with either the intermedium or the centrale":[],
      ": a radial plate of a crinoid":[]
    },
    "pronounciation":[
      "-\u02c8\u0101(-",
      "-\u02c8\u00e4(-",
      "\u02ccr\u0101d\u0113\u02c8a(\u02cc)l\u0113"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from Medieval Latin, neuter singular of radialis radial":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220709-215829"
  },
  "radial quantum number":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": an integer associated with the radial component of the momentum of an atomic electron in one of its possible stationary states \u2014 compare azimuthal quantum number , principal quantum number":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220709-223247"
  },
  "radial canal":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": one of the numerous minute canals lined with choanocytes which radiate from the paragastric cavity in some sponges and end just below the surface of the sponge":[],
      ": one of the canals extending through the substance of the umbrella from the gastric cavity to the marginal circular canal in jellyfishes":[],
      ": a tube extending outward along each ambulacral area from the circumoral canal in most echinoderms":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220709-223858"
  },
  "radio-tag":{
    "type":[
      "verb"
    ],
    "definitions":{
      ": to attach a radio transmitter to (an animal)":[
        "tracked the movements of a radio-tagged owl"
      ]
    },
    "pronounciation":[
      "\u02c8r\u0101-d\u0113-\u014d-\u02cctag"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{
      "1951, in the meaning defined above":""
    },
    "time_of_retrieval":"20220709-231301"
  },
  "radish tree":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": an Australian shrub or small tree ( Codonocarpus cotinifolius ) of the family Phytolaccaceae with pale glaucous foliage and small unisexual flowers in racemes":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220709-232335"
  },
  "radio source":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a region of the sky exclusive of the sun and members of the solar system from which microwave energy is received":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220709-234827"
  },
  "radium clock":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": an electroscope alternately charged by the accumulation of alpha particles from radium in a closed tube and discharged by automatic grounding at regular intervals":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220710-001024"
  },
  "radiation field":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a region traversed by radiation of any kind":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220710-001514"
  },
  "radical plane":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a plane that is the locus of points from which tangents drawn to two given spheres are equal":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220710-002559"
  },
  "radial shield":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": one of a pair of plates situated on the disk at the base of each ray of an ophiuran":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220710-003110"
  },
  "radioisotope":{
    "type":[
      "adjective",
      "adverb",
      "noun"
    ],
    "definitions":{
      ": a radioactive isotope":[]
    },
    "pronounciation":[
      "\u02ccr\u0101-d\u0113-\u014d-\u02c8\u012b-s\u0259-\u02cct\u014dp",
      "\u02ccr\u0101d-\u0113-\u014d-\u02c8\u012b-s\u0259-\u02cct\u014dp"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web",
      "Though the presence of this radioisotope in sediment does not neatly translate into contamination in soil or food, the finding does suggest the possibility of danger to ecosystems and people. \u2014 Hart Rapaport, Scientific American , 4 Apr. 2022",
      "Job description: Prepare, administer, and measure radioactive isotopes in therapeutic, diagnostic, and tracer studies using a variety of radioisotope equipment. \u2014 Zachary Smith, cleveland , 29 Mar. 2022",
      "Personnel remain at the facility, which is used for research, development and radioisotope production for medical and industrial applications. \u2014 NBC News , 18 Mar. 2022",
      "Most recently, the lab helped power NASA's Mars rover Perseverance with a radioisotope power system, which converts heat generated by the natural decay of plutonium-238 into electrical power. \u2014 Keith Ridler, ajc , 19 Nov. 2021",
      "As a proof of principle, Cederwall and colleagues focused on detection of californium-252, a readily available radioisotope widely used as a proxy for weapons-grade plutonium. \u2014 Richard Stone, Science | AAAS , 19 May 2021",
      "Voyager and many satellites already use radioisotope thermoelectric generators (RTGs). \u2014 Caroline Delbert, Popular Mechanics , 9 Feb. 2021",
      "With a chemical makeup similar to calcium, strontium-90, a radioisotope found in fallout, is easily absorbed in teeth and bones. \u2014 Longreads , 10 Aug. 2020",
      "Iodine 131 is a radioisotope created as a result of nuclear fission, which is why scientists believe the radiation release is the result of an accident at a nuclear facility. \u2014 Kyle Mizokami, Popular Mechanics , 29 June 2020"
    ],
    "history_and_etymology":{
      "International Scientific Vocabulary":""
    },
    "first_known_use":{
      "1938, in the meaning defined above":""
    },
    "time_of_retrieval":"20220710-005234"
  },
  "radioimmunoassay":{
    "type":[
      "adjective",
      "noun"
    ],
    "definitions":{
      ": immunoassay of a substance that has been radioactively labeled":[]
    },
    "pronounciation":[
      "\u02ccr\u0101-d\u0113-\u02cc\u014d-i-my\u0259-n\u014d-\u02c8a-\u02ccs\u0101",
      "-i-\u02ccmy\u00fc-",
      "-a-\u02c8s\u0101",
      "\u02ccr\u0101d-\u0113-\u014d-\u02ccim-y\u0259-n\u014d-\u02c8as-\u02cc\u0101, -im-\u02ccy\u00fc-, -a-\u02c8s\u0101"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{
      "1961, in the meaning defined above":""
    },
    "time_of_retrieval":"20220710-005859"
  },
  "radio control":{
    "type":[
      "noun",
      "transitive verb"
    ],
    "definitions":{
      ": control of mechanisms other than signaling apparatus at a distance by radio waves":[],
      ": to operate by radio control":[
        "radio-controlled airplane"
      ]
    },
    "pronounciation":[
      "\u00a6r\u0101d\u0113(\u02cc)\u014d+"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "radio control":"Transitive verb"
    },
    "first_known_use":{},
    "time_of_retrieval":"20220710-014355"
  },
  "radio electrician":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a warrant officer (as in the U.S. Navy) whose specialty is supervision of the maintenance and operation of radio and other electronic equipment":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220710-015536"
  },
  "radiotechnology":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": the technology of radio":[],
      ": the application of X rays to industrial problems":[],
      ": the application of any form of radiation to industrial problems":[]
    },
    "pronounciation":[
      "\"+"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "radio- + technology":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220710-022329"
  },
  "radiotelemetry":{
    "type":[
      "adjective",
      "noun"
    ],
    "definitions":{
      ": telemetry":[],
      ": biotelemetry":[]
    },
    "pronounciation":[
      "\u02ccr\u0101-d\u0113-\u014d-t\u0259-\u02c8le-m\u0259-tr\u0113",
      "-t\u0259-\u02c8lem-\u0259-tr\u0113"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web",
      "Ten hours before testing, the subjects swallowed a radiotelemetry pill used to determine their core temperature during the experimental conditions. \u2014 NOLA.com , 16 June 2017"
    ],
    "history_and_etymology":{},
    "first_known_use":{
      "1951, in the meaning defined at sense 1":""
    },
    "time_of_retrieval":"20220710-024953"
  }
}