"radioactive" meaning in English

See radioactive in All languages combined, or Wiktionary

Adjective

IPA: /ˌɹeɪdioʊˈaktɪv/ [Received-Pronunciation], /ˌɹeɪdioʊˈæktɪv/ [US] Audio: LL-Q1860 (eng)-Vealhurl-radioactive.wav Forms: more radioactive [comparative], most radioactive [superlative]
Rhymes: -æktɪv Etymology: Coined by Pierre Curie and Marie Curie in 1898 as French radio-actif, equivalent to English radio- + active. Etymology templates: {{bor|en|fr|radioactif|radio-actif}} French radio-actif, {{prefix|en|radio|active}} radio- + active Head templates: {{en-adj}} radioactive (comparative more radioactive, superlative most radioactive)
  1. Exhibiting radioactivity. Categories (topical): Radioactivity Translations (exhibiting radioactivity): radioaktief (Afrikaans), ռադիոակտիվ (ṙadioaktiv) (Armenian), ճառագայթաակտիվ (čaṙagaytʻaaktiv) (Armenian), radioactivu (Asturian), erradioaktibo (Basque), радыёакты́ўны (radyjoaktýŭny) (Belarusian), радиоакти́вен (radioaktíven) (Bulgarian), radioactiu (Catalan), 放射性 (alt: ) (Chinese Mandarin), radioaktivní (Czech), radioaktiv (Danish), radioactief (Dutch), radioaktiva (Esperanto), geislavirkin (Faroese), radioaktiivinen (Finnish), radioactif (French), radioactivo (Galician), რადიოაქტიური (radioakṭiuri) (Georgian), radioaktiv (German), ραδιοενεργό (radioenergó) [neuter] (Greek), רדיואקטיבי (radioaktivi) (Hebrew), रेडीओऐक्टिव (reḍīoaikṭiv) (Hindi), radioaktív (Hungarian), geislavirkur (Icelandic), radioaktiva (Ido), radioattivo (Italian), 放射性 (alt: ) (Japanese), радиоактивті (radioaktivtı) (Kazakh), радиоактивтік (radioaktivtık) (Kazakh), iraruke (Maori), цацраг идэвхит (cacrag idevxit) [Cyrillic] (Mongolian), radioaktywny (Polish), radioactivo [Portugal] (Portuguese), radioativo [Brazil] (Portuguese), radioactiv (Romanian), радиоакти́вный (radioaktívnyj) (Russian), rèidio-beò (Scottish Gaelic), радиоактивни [Cyrillic] (Serbo-Croatian), radioaktivni [Roman] (Serbo-Croatian), rádioaktívny (Slovak), radioaktíven (Slovene), radiactivo (Spanish), radioaktiv (Swedish), กัมมันตรังสี (Thai), radyoaktif (Turkish), радіоакти́вний (radioaktývnyj) (Ukrainian)
    Sense id: en-radioactive-en-adj-qrqOSOde Disambiguation of Radioactivity: 91 2 6 Categories (other): English entries with incorrect language header, Entries with translation boxes, Pages with 2 entries, Pages with entries, Terms with Afrikaans translations, Terms with Armenian translations, Terms with Asturian translations, Terms with Basque translations, Terms with Belarusian translations, Terms with Bulgarian translations, Terms with Catalan translations, Terms with Czech translations, Terms with Danish translations, Terms with Dutch translations, Terms with Esperanto translations, Terms with Faroese translations, Terms with Finnish translations, Terms with French translations, Terms with Galician translations, Terms with Georgian translations, Terms with German translations, Terms with Greek translations, Terms with Hebrew translations, Terms with Hindi translations, Terms with Hungarian translations, Terms with Icelandic translations, Terms with Ido translations, Terms with Italian translations, Terms with Japanese translations, Terms with Kazakh translations, Terms with Mandarin translations, Terms with Maori translations, Terms with Mongolian translations, Terms with Polish translations, Terms with Portuguese translations, Terms with Romanian translations, Terms with Russian translations, Terms with Scottish Gaelic translations, Terms with Serbo-Croatian translations, Terms with Slovak translations, Terms with Slovene translations, Terms with Spanish translations, Terms with Swedish translations, Terms with Thai translations, Terms with Turkish translations, Terms with Ukrainian translations Disambiguation of English entries with incorrect language header: 41 28 31 Disambiguation of Entries with translation boxes: 50 23 27 Disambiguation of Pages with 2 entries: 51 22 27 Disambiguation of Pages with entries: 46 24 30 Disambiguation of Terms with Afrikaans translations: 50 25 24 Disambiguation of Terms with Armenian translations: 50 25 24 Disambiguation of Terms with Asturian translations: 51 25 24 Disambiguation of Terms with Basque translations: 50 25 24 Disambiguation of Terms with Belarusian translations: 51 25 24 Disambiguation of Terms with Bulgarian translations: 49 24 26 Disambiguation of Terms with Catalan translations: 50 25 25 Disambiguation of Terms with Czech translations: 52 23 25 Disambiguation of Terms with Danish translations: 58 19 22 Disambiguation of Terms with Dutch translations: 52 21 27 Disambiguation of Terms with Esperanto translations: 55 19 26 Disambiguation of Terms with Faroese translations: 50 25 24 Disambiguation of Terms with Finnish translations: 50 25 24 Disambiguation of Terms with French translations: 50 20 31 Disambiguation of Terms with Galician translations: 50 25 24 Disambiguation of Terms with Georgian translations: 53 24 23 Disambiguation of Terms with German translations: 54 22 24 Disambiguation of Terms with Greek translations: 52 19 29 Disambiguation of Terms with Hebrew translations: 51 21 28 Disambiguation of Terms with Hindi translations: 51 19 30 Disambiguation of Terms with Hungarian translations: 51 24 26 Disambiguation of Terms with Icelandic translations: 50 25 24 Disambiguation of Terms with Ido translations: 48 17 35 Disambiguation of Terms with Italian translations: 55 19 26 Disambiguation of Terms with Japanese translations: 55 19 26 Disambiguation of Terms with Kazakh translations: 50 25 24 Disambiguation of Terms with Mandarin translations: 56 18 26 Disambiguation of Terms with Maori translations: 50 25 24 Disambiguation of Terms with Mongolian translations: 57 19 24 Disambiguation of Terms with Polish translations: 45 24 31 Disambiguation of Terms with Portuguese translations: 50 25 25 Disambiguation of Terms with Romanian translations: 50 25 24 Disambiguation of Terms with Russian translations: 55 19 26 Disambiguation of Terms with Scottish Gaelic translations: 50 25 25 Disambiguation of Terms with Serbo-Croatian translations: 51 24 24 Disambiguation of Terms with Slovak translations: 50 25 24 Disambiguation of Terms with Slovene translations: 50 25 24 Disambiguation of Terms with Spanish translations: 57 19 24 Disambiguation of Terms with Swedish translations: 51 25 24 Disambiguation of Terms with Thai translations: 50 25 24 Disambiguation of Terms with Turkish translations: 51 25 24 Disambiguation of Terms with Ukrainian translations: 50 25 24 Disambiguation of 'exhibiting radioactivity': 97 3
  2. (figurative, rare) Dangerous and disgusting, particularly of people or ideas. Tags: figuratively, rare
    Sense id: en-radioactive-en-adj-HZw602rX
The following are not (yet) sense-disambiguated
Synonyms: radio-active [dated] Derived forms: nonradioactive, radioactive dating, radioactive decay, radioactive disintegration, radioactive equilibrium, radioactive fallout, radioactively, radioactive tracer, radioactive waste, radioactivity

Noun

IPA: /ˌɹeɪdioʊˈaktɪv/ [Received-Pronunciation], /ˌɹeɪdioʊˈæktɪv/ [US] Audio: LL-Q1860 (eng)-Vealhurl-radioactive.wav Forms: radioactives [plural]
Rhymes: -æktɪv Etymology: Coined by Pierre Curie and Marie Curie in 1898 as French radio-actif, equivalent to English radio- + active. Etymology templates: {{bor|en|fr|radioactif|radio-actif}} French radio-actif, {{prefix|en|radio|active}} radio- + active Head templates: {{en-noun}} radioactive (plural radioactives)
  1. Any radioactive substance.
    Sense id: en-radioactive-en-noun-R1PPIAQv Categories (other): English terms prefixed with radio- Disambiguation of English terms prefixed with radio-: 32 28 40
The following are not (yet) sense-disambiguated
Synonyms: radio-active [dated]

Inflected forms

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      "_dis1": "0 0",
      "word": "nonradioactive"
    },
    {
      "_dis1": "0 0",
      "word": "radioactive dating"
    },
    {
      "_dis1": "0 0",
      "word": "radioactive decay"
    },
    {
      "_dis1": "0 0",
      "word": "radioactive disintegration"
    },
    {
      "_dis1": "0 0",
      "word": "radioactive equilibrium"
    },
    {
      "_dis1": "0 0",
      "word": "radioactive fallout"
    },
    {
      "_dis1": "0 0",
      "word": "radioactively"
    },
    {
      "_dis1": "0 0",
      "word": "radioactive tracer"
    },
    {
      "_dis1": "0 0",
      "word": "radioactive waste"
    },
    {
      "_dis1": "0 0",
      "word": "radioactivity"
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      "name": "bor"
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      "args": {
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        "2": "radio",
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      "expansion": "radio- + active",
      "name": "prefix"
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  "etymology_text": "Coined by Pierre Curie and Marie Curie in 1898 as French radio-actif, equivalent to English radio- + active.",
  "forms": [
    {
      "form": "more radioactive",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most radioactive",
      "tags": [
        "superlative"
      ]
    }
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      "args": {},
      "expansion": "radioactive (comparative more radioactive, superlative most radioactive)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
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          "_dis": "91 2 6",
          "kind": "topical",
          "langcode": "en",
          "name": "Radioactivity",
          "orig": "en:Radioactivity",
          "parents": [
            "Nuclear physics",
            "Radiation",
            "Physics",
            "Quantum mechanics",
            "Energy",
            "Sciences",
            "Nature",
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            "Fundamental"
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          "ref": "1917, H. G. Wells, “The First Vision”, in The Soul of a Bishop:",
          "text": "As a matter of fact many of our best drinking waters have all sorts of unspecified qualities. Burton water, for example, is radioactive by Beetham's standards up to the ninth degree.",
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        }
      ],
      "glosses": [
        "Exhibiting radioactivity."
      ],
      "id": "en-radioactive-en-adj-qrqOSOde",
      "links": [
        [
          "radioactivity",
          "radioactivity"
        ]
      ],
      "translations": [
        {
          "_dis1": "97 3",
          "code": "af",
          "lang": "Afrikaans",
          "sense": "exhibiting radioactivity",
          "word": "radioaktief"
        },
        {
          "_dis1": "97 3",
          "code": "hy",
          "lang": "Armenian",
          "roman": "ṙadioaktiv",
          "sense": "exhibiting radioactivity",
          "word": "ռադիոակտիվ"
        },
        {
          "_dis1": "97 3",
          "code": "hy",
          "lang": "Armenian",
          "roman": "čaṙagaytʻaaktiv",
          "sense": "exhibiting radioactivity",
          "word": "ճառագայթաակտիվ"
        },
        {
          "_dis1": "97 3",
          "code": "ast",
          "lang": "Asturian",
          "sense": "exhibiting radioactivity",
          "word": "radioactivu"
        },
        {
          "_dis1": "97 3",
          "code": "eu",
          "lang": "Basque",
          "sense": "exhibiting radioactivity",
          "word": "erradioaktibo"
        },
        {
          "_dis1": "97 3",
          "code": "be",
          "lang": "Belarusian",
          "roman": "radyjoaktýŭny",
          "sense": "exhibiting radioactivity",
          "word": "радыёакты́ўны"
        },
        {
          "_dis1": "97 3",
          "code": "bg",
          "lang": "Bulgarian",
          "roman": "radioaktíven",
          "sense": "exhibiting radioactivity",
          "word": "радиоакти́вен"
        },
        {
          "_dis1": "97 3",
          "code": "ca",
          "lang": "Catalan",
          "sense": "exhibiting radioactivity",
          "word": "radioactiu"
        },
        {
          "_dis1": "97 3",
          "alt": "的",
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "sense": "exhibiting radioactivity",
          "word": "放射性"
        },
        {
          "_dis1": "97 3",
          "code": "cs",
          "lang": "Czech",
          "sense": "exhibiting radioactivity",
          "word": "radioaktivní"
        },
        {
          "_dis1": "97 3",
          "code": "da",
          "lang": "Danish",
          "sense": "exhibiting radioactivity",
          "word": "radioaktiv"
        },
        {
          "_dis1": "97 3",
          "code": "nl",
          "lang": "Dutch",
          "sense": "exhibiting radioactivity",
          "word": "radioactief"
        },
        {
          "_dis1": "97 3",
          "code": "eo",
          "lang": "Esperanto",
          "sense": "exhibiting radioactivity",
          "word": "radioaktiva"
        },
        {
          "_dis1": "97 3",
          "code": "fo",
          "lang": "Faroese",
          "sense": "exhibiting radioactivity",
          "word": "geislavirkin"
        },
        {
          "_dis1": "97 3",
          "code": "fi",
          "lang": "Finnish",
          "sense": "exhibiting radioactivity",
          "word": "radioaktiivinen"
        },
        {
          "_dis1": "97 3",
          "code": "fr",
          "lang": "French",
          "sense": "exhibiting radioactivity",
          "word": "radioactif"
        },
        {
          "_dis1": "97 3",
          "code": "gl",
          "lang": "Galician",
          "sense": "exhibiting radioactivity",
          "word": "radioactivo"
        },
        {
          "_dis1": "97 3",
          "code": "ka",
          "lang": "Georgian",
          "roman": "radioakṭiuri",
          "sense": "exhibiting radioactivity",
          "word": "რადიოაქტიური"
        },
        {
          "_dis1": "97 3",
          "code": "de",
          "lang": "German",
          "sense": "exhibiting radioactivity",
          "word": "radioaktiv"
        },
        {
          "_dis1": "97 3",
          "code": "el",
          "lang": "Greek",
          "roman": "radioenergó",
          "sense": "exhibiting radioactivity",
          "tags": [
            "neuter"
          ],
          "word": "ραδιοενεργό"
        },
        {
          "_dis1": "97 3",
          "code": "he",
          "lang": "Hebrew",
          "roman": "radioaktivi",
          "sense": "exhibiting radioactivity",
          "word": "רדיואקטיבי"
        },
        {
          "_dis1": "97 3",
          "code": "hi",
          "lang": "Hindi",
          "roman": "reḍīoaikṭiv",
          "sense": "exhibiting radioactivity",
          "word": "रेडीओऐक्टिव"
        },
        {
          "_dis1": "97 3",
          "code": "hu",
          "lang": "Hungarian",
          "sense": "exhibiting radioactivity",
          "word": "radioaktív"
        },
        {
          "_dis1": "97 3",
          "code": "is",
          "lang": "Icelandic",
          "sense": "exhibiting radioactivity",
          "word": "geislavirkur"
        },
        {
          "_dis1": "97 3",
          "code": "io",
          "lang": "Ido",
          "sense": "exhibiting radioactivity",
          "word": "radioaktiva"
        },
        {
          "_dis1": "97 3",
          "code": "it",
          "lang": "Italian",
          "sense": "exhibiting radioactivity",
          "word": "radioattivo"
        },
        {
          "_dis1": "97 3",
          "alt": "の",
          "code": "ja",
          "lang": "Japanese",
          "sense": "exhibiting radioactivity",
          "word": "放射性"
        },
        {
          "_dis1": "97 3",
          "code": "kk",
          "lang": "Kazakh",
          "roman": "radioaktivtı",
          "sense": "exhibiting radioactivity",
          "word": "радиоактивті"
        },
        {
          "_dis1": "97 3",
          "code": "kk",
          "lang": "Kazakh",
          "roman": "radioaktivtık",
          "sense": "exhibiting radioactivity",
          "word": "радиоактивтік"
        },
        {
          "_dis1": "97 3",
          "code": "mi",
          "lang": "Maori",
          "sense": "exhibiting radioactivity",
          "word": "iraruke"
        },
        {
          "_dis1": "97 3",
          "code": "mn",
          "lang": "Mongolian",
          "roman": "cacrag idevxit",
          "sense": "exhibiting radioactivity",
          "tags": [
            "Cyrillic"
          ],
          "word": "цацраг идэвхит"
        },
        {
          "_dis1": "97 3",
          "code": "pl",
          "lang": "Polish",
          "sense": "exhibiting radioactivity",
          "word": "radioaktywny"
        },
        {
          "_dis1": "97 3",
          "code": "pt",
          "lang": "Portuguese",
          "sense": "exhibiting radioactivity",
          "tags": [
            "Portugal"
          ],
          "word": "radioactivo"
        },
        {
          "_dis1": "97 3",
          "code": "pt",
          "lang": "Portuguese",
          "sense": "exhibiting radioactivity",
          "tags": [
            "Brazil"
          ],
          "word": "radioativo"
        },
        {
          "_dis1": "97 3",
          "code": "ro",
          "lang": "Romanian",
          "sense": "exhibiting radioactivity",
          "word": "radioactiv"
        },
        {
          "_dis1": "97 3",
          "code": "ru",
          "lang": "Russian",
          "roman": "radioaktívnyj",
          "sense": "exhibiting radioactivity",
          "word": "радиоакти́вный"
        },
        {
          "_dis1": "97 3",
          "code": "gd",
          "lang": "Scottish Gaelic",
          "sense": "exhibiting radioactivity",
          "word": "rèidio-beò"
        },
        {
          "_dis1": "97 3",
          "code": "sh",
          "lang": "Serbo-Croatian",
          "sense": "exhibiting radioactivity",
          "tags": [
            "Cyrillic"
          ],
          "word": "радиоактивни"
        },
        {
          "_dis1": "97 3",
          "code": "sh",
          "lang": "Serbo-Croatian",
          "sense": "exhibiting radioactivity",
          "tags": [
            "Roman"
          ],
          "word": "radioaktivni"
        },
        {
          "_dis1": "97 3",
          "code": "sk",
          "lang": "Slovak",
          "sense": "exhibiting radioactivity",
          "word": "rádioaktívny"
        },
        {
          "_dis1": "97 3",
          "code": "sl",
          "lang": "Slovene",
          "sense": "exhibiting radioactivity",
          "word": "radioaktíven"
        },
        {
          "_dis1": "97 3",
          "code": "es",
          "lang": "Spanish",
          "sense": "exhibiting radioactivity",
          "word": "radiactivo"
        },
        {
          "_dis1": "97 3",
          "code": "sv",
          "lang": "Swedish",
          "sense": "exhibiting radioactivity",
          "word": "radioaktiv"
        },
        {
          "_dis1": "97 3",
          "code": "th",
          "lang": "Thai",
          "sense": "exhibiting radioactivity",
          "word": "กัมมันตรังสี"
        },
        {
          "_dis1": "97 3",
          "code": "tr",
          "lang": "Turkish",
          "sense": "exhibiting radioactivity",
          "word": "radyoaktif"
        },
        {
          "_dis1": "97 3",
          "code": "uk",
          "lang": "Ukrainian",
          "roman": "radioaktývnyj",
          "sense": "exhibiting radioactivity",
          "word": "радіоакти́вний"
        }
      ]
    },
    {
      "categories": [],
      "examples": [
        {
          "text": "Even sleazy tactics and his radioactive mouth may not be able to contain this debacle.",
          "type": "example"
        },
        {
          "ref": "2020 November 30, Burgess Everett, Caitlin Emma, Theodoric Meyer, quoting John Cornyn, “Joe Biden's 'radioactive' nominee”, in POLITICO:",
          "text": "And while Biden’s other nominees have done little to provoke Republican backlash thus far, [Neera] Tanden is “radioactive,” as Sen. John Cornyn (R-Texas) put it.",
          "type": "quote"
        },
        {
          "ref": "2022 April 4, Gail Collins, Bret Stephens, “Which ‘Radioactive Republicans’ Are We Betting On?”, in The New York Times, →ISSN:",
          "text": "If, by some miracle, Democrats hang on to one or both houses of Congress this November, it will be because of Cawthorn, Paul Gosar, Marjorie Taylor Greene, Lauren Boebert and other would-be G.O.P. candidates trying to be just like them — the Radioactive Republicans.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Dangerous and disgusting, particularly of people or ideas."
      ],
      "id": "en-radioactive-en-adj-HZw602rX",
      "links": [
        [
          "Dangerous",
          "dangerous"
        ],
        [
          "disgusting",
          "disgusting"
        ]
      ],
      "raw_glosses": [
        "(figurative, rare) Dangerous and disgusting, particularly of people or ideas."
      ],
      "tags": [
        "figuratively",
        "rare"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˌɹeɪdioʊˈaktɪv/",
      "tags": [
        "Received-Pronunciation"
      ]
    },
    {
      "audio": "LL-Q1860 (eng)-Vealhurl-radioactive.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/d/d4/LL-Q1860_%28eng%29-Vealhurl-radioactive.wav/LL-Q1860_%28eng%29-Vealhurl-radioactive.wav.mp3",
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    },
    {
      "ipa": "/ˌɹeɪdioʊˈæktɪv/",
      "tags": [
        "US"
      ]
    },
    {
      "rhymes": "-æktɪv"
    }
  ],
  "synonyms": [
    {
      "_dis1": "0 0 0",
      "tags": [
        "dated"
      ],
      "word": "radio-active"
    }
  ],
  "wikipedia": [
    "Marie Curie",
    "Pierre Curie"
  ],
  "word": "radioactive"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "fr",
        "3": "radioactif",
        "4": "radio-actif"
      },
      "expansion": "French radio-actif",
      "name": "bor"
    },
    {
      "args": {
        "1": "en",
        "2": "radio",
        "3": "active"
      },
      "expansion": "radio- + active",
      "name": "prefix"
    }
  ],
  "etymology_text": "Coined by Pierre Curie and Marie Curie in 1898 as French radio-actif, equivalent to English radio- + active.",
  "forms": [
    {
      "form": "radioactives",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "radioactive (plural radioactives)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "32 28 40",
          "kind": "other",
          "name": "English terms prefixed with radio-",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "ref": "2016, Travis S. Taylor, Les Johnson, On to the Asteroid:",
          "text": "Any ship nearby will receive a lethal dose of gamma rays, neutrons, and other radioactives.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Any radioactive substance."
      ],
      "id": "en-radioactive-en-noun-R1PPIAQv"
    }
  ],
  "sounds": [
    {
      "ipa": "/ˌɹeɪdioʊˈaktɪv/",
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        "Received-Pronunciation"
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      "audio": "LL-Q1860 (eng)-Vealhurl-radioactive.wav",
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    },
    {
      "ipa": "/ˌɹeɪdioʊˈæktɪv/",
      "tags": [
        "US"
      ]
    },
    {
      "rhymes": "-æktɪv"
    }
  ],
  "synonyms": [
    {
      "_dis1": "0 0 0",
      "tags": [
        "dated"
      ],
      "word": "radio-active"
    }
  ],
  "wikipedia": [
    "Marie Curie",
    "Pierre Curie"
  ],
  "word": "radioactive"
}
{
  "categories": [
    "English adjectives",
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English terms borrowed from French",
    "English terms derived from French",
    "English terms prefixed with radio-",
    "Entries with translation boxes",
    "Pages with 2 entries",
    "Pages with entries",
    "Rhymes:English/æktɪv",
    "Rhymes:English/æktɪv/5 syllables",
    "Terms with Afrikaans translations",
    "Terms with Armenian translations",
    "Terms with Asturian translations",
    "Terms with Basque translations",
    "Terms with Belarusian translations",
    "Terms with Bulgarian translations",
    "Terms with Catalan translations",
    "Terms with Czech translations",
    "Terms with Danish translations",
    "Terms with Dutch translations",
    "Terms with Esperanto translations",
    "Terms with Faroese translations",
    "Terms with Finnish translations",
    "Terms with French translations",
    "Terms with Galician translations",
    "Terms with Georgian translations",
    "Terms with German translations",
    "Terms with Greek translations",
    "Terms with Hebrew translations",
    "Terms with Hindi translations",
    "Terms with Hungarian translations",
    "Terms with Icelandic translations",
    "Terms with Ido translations",
    "Terms with Italian translations",
    "Terms with Japanese translations",
    "Terms with Kazakh translations",
    "Terms with Mandarin translations",
    "Terms with Maori translations",
    "Terms with Mongolian translations",
    "Terms with Polish translations",
    "Terms with Portuguese translations",
    "Terms with Romanian translations",
    "Terms with Russian translations",
    "Terms with Scottish Gaelic translations",
    "Terms with Serbo-Croatian translations",
    "Terms with Slovak translations",
    "Terms with Slovene translations",
    "Terms with Spanish translations",
    "Terms with Swedish translations",
    "Terms with Thai translations",
    "Terms with Turkish translations",
    "Terms with Ukrainian translations",
    "en:Radioactivity"
  ],
  "derived": [
    {
      "word": "nonradioactive"
    },
    {
      "word": "radioactive dating"
    },
    {
      "word": "radioactive decay"
    },
    {
      "word": "radioactive disintegration"
    },
    {
      "word": "radioactive equilibrium"
    },
    {
      "word": "radioactive fallout"
    },
    {
      "word": "radioactively"
    },
    {
      "word": "radioactive tracer"
    },
    {
      "word": "radioactive waste"
    },
    {
      "word": "radioactivity"
    }
  ],
  "etymology_templates": [
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      "args": {
        "1": "en",
        "2": "fr",
        "3": "radioactif",
        "4": "radio-actif"
      },
      "expansion": "French radio-actif",
      "name": "bor"
    },
    {
      "args": {
        "1": "en",
        "2": "radio",
        "3": "active"
      },
      "expansion": "radio- + active",
      "name": "prefix"
    }
  ],
  "etymology_text": "Coined by Pierre Curie and Marie Curie in 1898 as French radio-actif, equivalent to English radio- + active.",
  "forms": [
    {
      "form": "more radioactive",
      "tags": [
        "comparative"
      ]
    },
    {
      "form": "most radioactive",
      "tags": [
        "superlative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "radioactive (comparative more radioactive, superlative most radioactive)",
      "name": "en-adj"
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  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "1917, H. G. Wells, “The First Vision”, in The Soul of a Bishop:",
          "text": "As a matter of fact many of our best drinking waters have all sorts of unspecified qualities. Burton water, for example, is radioactive by Beetham's standards up to the ninth degree.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Exhibiting radioactivity."
      ],
      "links": [
        [
          "radioactivity",
          "radioactivity"
        ]
      ]
    },
    {
      "categories": [
        "English terms with quotations",
        "English terms with rare senses",
        "English terms with usage examples"
      ],
      "examples": [
        {
          "text": "Even sleazy tactics and his radioactive mouth may not be able to contain this debacle.",
          "type": "example"
        },
        {
          "ref": "2020 November 30, Burgess Everett, Caitlin Emma, Theodoric Meyer, quoting John Cornyn, “Joe Biden's 'radioactive' nominee”, in POLITICO:",
          "text": "And while Biden’s other nominees have done little to provoke Republican backlash thus far, [Neera] Tanden is “radioactive,” as Sen. John Cornyn (R-Texas) put it.",
          "type": "quote"
        },
        {
          "ref": "2022 April 4, Gail Collins, Bret Stephens, “Which ‘Radioactive Republicans’ Are We Betting On?”, in The New York Times, →ISSN:",
          "text": "If, by some miracle, Democrats hang on to one or both houses of Congress this November, it will be because of Cawthorn, Paul Gosar, Marjorie Taylor Greene, Lauren Boebert and other would-be G.O.P. candidates trying to be just like them — the Radioactive Republicans.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Dangerous and disgusting, particularly of people or ideas."
      ],
      "links": [
        [
          "Dangerous",
          "dangerous"
        ],
        [
          "disgusting",
          "disgusting"
        ]
      ],
      "raw_glosses": [
        "(figurative, rare) Dangerous and disgusting, particularly of people or ideas."
      ],
      "tags": [
        "figuratively",
        "rare"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˌɹeɪdioʊˈaktɪv/",
      "tags": [
        "Received-Pronunciation"
      ]
    },
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      "audio": "LL-Q1860 (eng)-Vealhurl-radioactive.wav",
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    },
    {
      "ipa": "/ˌɹeɪdioʊˈæktɪv/",
      "tags": [
        "US"
      ]
    },
    {
      "rhymes": "-æktɪv"
    }
  ],
  "synonyms": [
    {
      "tags": [
        "dated"
      ],
      "word": "radio-active"
    }
  ],
  "translations": [
    {
      "code": "af",
      "lang": "Afrikaans",
      "sense": "exhibiting radioactivity",
      "word": "radioaktief"
    },
    {
      "code": "hy",
      "lang": "Armenian",
      "roman": "ṙadioaktiv",
      "sense": "exhibiting radioactivity",
      "word": "ռադիոակտիվ"
    },
    {
      "code": "hy",
      "lang": "Armenian",
      "roman": "čaṙagaytʻaaktiv",
      "sense": "exhibiting radioactivity",
      "word": "ճառագայթաակտիվ"
    },
    {
      "code": "ast",
      "lang": "Asturian",
      "sense": "exhibiting radioactivity",
      "word": "radioactivu"
    },
    {
      "code": "eu",
      "lang": "Basque",
      "sense": "exhibiting radioactivity",
      "word": "erradioaktibo"
    },
    {
      "code": "be",
      "lang": "Belarusian",
      "roman": "radyjoaktýŭny",
      "sense": "exhibiting radioactivity",
      "word": "радыёакты́ўны"
    },
    {
      "code": "bg",
      "lang": "Bulgarian",
      "roman": "radioaktíven",
      "sense": "exhibiting radioactivity",
      "word": "радиоакти́вен"
    },
    {
      "code": "ca",
      "lang": "Catalan",
      "sense": "exhibiting radioactivity",
      "word": "radioactiu"
    },
    {
      "alt": "的",
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "sense": "exhibiting radioactivity",
      "word": "放射性"
    },
    {
      "code": "cs",
      "lang": "Czech",
      "sense": "exhibiting radioactivity",
      "word": "radioaktivní"
    },
    {
      "code": "da",
      "lang": "Danish",
      "sense": "exhibiting radioactivity",
      "word": "radioaktiv"
    },
    {
      "code": "nl",
      "lang": "Dutch",
      "sense": "exhibiting radioactivity",
      "word": "radioactief"
    },
    {
      "code": "eo",
      "lang": "Esperanto",
      "sense": "exhibiting radioactivity",
      "word": "radioaktiva"
    },
    {
      "code": "fo",
      "lang": "Faroese",
      "sense": "exhibiting radioactivity",
      "word": "geislavirkin"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "exhibiting radioactivity",
      "word": "radioaktiivinen"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "exhibiting radioactivity",
      "word": "radioactif"
    },
    {
      "code": "gl",
      "lang": "Galician",
      "sense": "exhibiting radioactivity",
      "word": "radioactivo"
    },
    {
      "code": "ka",
      "lang": "Georgian",
      "roman": "radioakṭiuri",
      "sense": "exhibiting radioactivity",
      "word": "რადიოაქტიური"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "exhibiting radioactivity",
      "word": "radioaktiv"
    },
    {
      "code": "el",
      "lang": "Greek",
      "roman": "radioenergó",
      "sense": "exhibiting radioactivity",
      "tags": [
        "neuter"
      ],
      "word": "ραδιοενεργό"
    },
    {
      "code": "he",
      "lang": "Hebrew",
      "roman": "radioaktivi",
      "sense": "exhibiting radioactivity",
      "word": "רדיואקטיבי"
    },
    {
      "code": "hi",
      "lang": "Hindi",
      "roman": "reḍīoaikṭiv",
      "sense": "exhibiting radioactivity",
      "word": "रेडीओऐक्टिव"
    },
    {
      "code": "hu",
      "lang": "Hungarian",
      "sense": "exhibiting radioactivity",
      "word": "radioaktív"
    },
    {
      "code": "is",
      "lang": "Icelandic",
      "sense": "exhibiting radioactivity",
      "word": "geislavirkur"
    },
    {
      "code": "io",
      "lang": "Ido",
      "sense": "exhibiting radioactivity",
      "word": "radioaktiva"
    },
    {
      "code": "it",
      "lang": "Italian",
      "sense": "exhibiting radioactivity",
      "word": "radioattivo"
    },
    {
      "alt": "の",
      "code": "ja",
      "lang": "Japanese",
      "sense": "exhibiting radioactivity",
      "word": "放射性"
    },
    {
      "code": "kk",
      "lang": "Kazakh",
      "roman": "radioaktivtı",
      "sense": "exhibiting radioactivity",
      "word": "радиоактивті"
    },
    {
      "code": "kk",
      "lang": "Kazakh",
      "roman": "radioaktivtık",
      "sense": "exhibiting radioactivity",
      "word": "радиоактивтік"
    },
    {
      "code": "mi",
      "lang": "Maori",
      "sense": "exhibiting radioactivity",
      "word": "iraruke"
    },
    {
      "code": "mn",
      "lang": "Mongolian",
      "roman": "cacrag idevxit",
      "sense": "exhibiting radioactivity",
      "tags": [
        "Cyrillic"
      ],
      "word": "цацраг идэвхит"
    },
    {
      "code": "pl",
      "lang": "Polish",
      "sense": "exhibiting radioactivity",
      "word": "radioaktywny"
    },
    {
      "code": "pt",
      "lang": "Portuguese",
      "sense": "exhibiting radioactivity",
      "tags": [
        "Portugal"
      ],
      "word": "radioactivo"
    },
    {
      "code": "pt",
      "lang": "Portuguese",
      "sense": "exhibiting radioactivity",
      "tags": [
        "Brazil"
      ],
      "word": "radioativo"
    },
    {
      "code": "ro",
      "lang": "Romanian",
      "sense": "exhibiting radioactivity",
      "word": "radioactiv"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "radioaktívnyj",
      "sense": "exhibiting radioactivity",
      "word": "радиоакти́вный"
    },
    {
      "code": "gd",
      "lang": "Scottish Gaelic",
      "sense": "exhibiting radioactivity",
      "word": "rèidio-beò"
    },
    {
      "code": "sh",
      "lang": "Serbo-Croatian",
      "sense": "exhibiting radioactivity",
      "tags": [
        "Cyrillic"
      ],
      "word": "радиоактивни"
    },
    {
      "code": "sh",
      "lang": "Serbo-Croatian",
      "sense": "exhibiting radioactivity",
      "tags": [
        "Roman"
      ],
      "word": "radioaktivni"
    },
    {
      "code": "sk",
      "lang": "Slovak",
      "sense": "exhibiting radioactivity",
      "word": "rádioaktívny"
    },
    {
      "code": "sl",
      "lang": "Slovene",
      "sense": "exhibiting radioactivity",
      "word": "radioaktíven"
    },
    {
      "code": "es",
      "lang": "Spanish",
      "sense": "exhibiting radioactivity",
      "word": "radiactivo"
    },
    {
      "code": "sv",
      "lang": "Swedish",
      "sense": "exhibiting radioactivity",
      "word": "radioaktiv"
    },
    {
      "code": "th",
      "lang": "Thai",
      "sense": "exhibiting radioactivity",
      "word": "กัมมันตรังสี"
    },
    {
      "code": "tr",
      "lang": "Turkish",
      "sense": "exhibiting radioactivity",
      "word": "radyoaktif"
    },
    {
      "code": "uk",
      "lang": "Ukrainian",
      "roman": "radioaktývnyj",
      "sense": "exhibiting radioactivity",
      "word": "радіоакти́вний"
    }
  ],
  "wikipedia": [
    "Marie Curie",
    "Pierre Curie"
  ],
  "word": "radioactive"
}

{
  "categories": [
    "English adjectives",
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English terms borrowed from French",
    "English terms derived from French",
    "English terms prefixed with radio-",
    "Entries with translation boxes",
    "Pages with 2 entries",
    "Pages with entries",
    "Rhymes:English/æktɪv",
    "Rhymes:English/æktɪv/5 syllables",
    "Terms with Afrikaans translations",
    "Terms with Armenian translations",
    "Terms with Asturian translations",
    "Terms with Basque translations",
    "Terms with Belarusian translations",
    "Terms with Bulgarian translations",
    "Terms with Catalan translations",
    "Terms with Czech translations",
    "Terms with Danish translations",
    "Terms with Dutch translations",
    "Terms with Esperanto translations",
    "Terms with Faroese translations",
    "Terms with Finnish translations",
    "Terms with French translations",
    "Terms with Galician translations",
    "Terms with Georgian translations",
    "Terms with German translations",
    "Terms with Greek translations",
    "Terms with Hebrew translations",
    "Terms with Hindi translations",
    "Terms with Hungarian translations",
    "Terms with Icelandic translations",
    "Terms with Ido translations",
    "Terms with Italian translations",
    "Terms with Japanese translations",
    "Terms with Kazakh translations",
    "Terms with Mandarin translations",
    "Terms with Maori translations",
    "Terms with Mongolian translations",
    "Terms with Polish translations",
    "Terms with Portuguese translations",
    "Terms with Romanian translations",
    "Terms with Russian translations",
    "Terms with Scottish Gaelic translations",
    "Terms with Serbo-Croatian translations",
    "Terms with Slovak translations",
    "Terms with Slovene translations",
    "Terms with Spanish translations",
    "Terms with Swedish translations",
    "Terms with Thai translations",
    "Terms with Turkish translations",
    "Terms with Ukrainian translations",
    "en:Radioactivity"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "fr",
        "3": "radioactif",
        "4": "radio-actif"
      },
      "expansion": "French radio-actif",
      "name": "bor"
    },
    {
      "args": {
        "1": "en",
        "2": "radio",
        "3": "active"
      },
      "expansion": "radio- + active",
      "name": "prefix"
    }
  ],
  "etymology_text": "Coined by Pierre Curie and Marie Curie in 1898 as French radio-actif, equivalent to English radio- + active.",
  "forms": [
    {
      "form": "radioactives",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "radioactive (plural radioactives)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English terms with quotations",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "ref": "2016, Travis S. Taylor, Les Johnson, On to the Asteroid:",
          "text": "Any ship nearby will receive a lethal dose of gamma rays, neutrons, and other radioactives.",
          "type": "quote"
        }
      ],
      "glosses": [
        "Any radioactive substance."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˌɹeɪdioʊˈaktɪv/",
      "tags": [
        "Received-Pronunciation"
      ]
    },
    {
      "audio": "LL-Q1860 (eng)-Vealhurl-radioactive.wav",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/d/d4/LL-Q1860_%28eng%29-Vealhurl-radioactive.wav/LL-Q1860_%28eng%29-Vealhurl-radioactive.wav.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/d/d4/LL-Q1860_%28eng%29-Vealhurl-radioactive.wav/LL-Q1860_%28eng%29-Vealhurl-radioactive.wav.ogg"
    },
    {
      "ipa": "/ˌɹeɪdioʊˈæktɪv/",
      "tags": [
        "US"
      ]
    },
    {
      "rhymes": "-æktɪv"
    }
  ],
  "synonyms": [
    {
      "tags": [
        "dated"
      ],
      "word": "radio-active"
    }
  ],
  "wikipedia": [
    "Marie Curie",
    "Pierre Curie"
  ],
  "word": "radioactive"
}

Download raw JSONL data for radioactive meaning in English (13.8kB)

{
  "called_from": "form_descriptions/2028",
  "msg": "more than one value in \"alt\": fàngshèxìng (de) vs. 的",
  "path": [
    "radioactive"
  ],
  "section": "English",
  "subsection": "adjective",
  "title": "radioactive",
  "trace": ""
}

{
  "called_from": "form_descriptions/2028",
  "msg": "more than one value in \"alt\": ほうしゃせい(の), hōshasei (no) vs. の",
  "path": [
    "radioactive"
  ],
  "section": "English",
  "subsection": "adjective",
  "title": "radioactive",
  "trace": ""
}

This page is a part of the kaikki.org machine-readable English dictionary. This dictionary is based on structured data extracted on 2024-12-01 from the enwiktionary dump dated 2024-11-21 using wiktextract (95d2be1 and 64224ec). The data shown on this site has been post-processed and various details (e.g., extra categories) removed, some information disambiguated, and additional data merged from other sources. See the raw data download page for the unprocessed wiktextract data.

If you use this data in academic research, please cite Tatu Ylonen: Wiktextract: Wiktionary as Machine-Readable Structured Data, Proceedings of the 13th Conference on Language Resources and Evaluation (LREC), pp. 1317-1325, Marseille, 20-25 June 2022. Linking to the relevant page(s) under https://kaikki.org would also be greatly appreciated.