"free radical" meaning in English

See free radical in All languages combined, or Wiktionary

Noun

Forms: free radicals [plural]
Head templates: {{en-noun}} free radical (plural free radicals)
  1. (chemistry, physics) A molecule, ion or atom that has one or more unpaired electrons, and which is generally highly reactive (and therefore often occurs only as a transient species). Wikipedia link: free radical Categories (topical): Chemistry, Physics Related terms: Translations (molecule, ion, or atom with an unpaired electron): 自由基 (zìyóujī) (Chinese Mandarin), vapaa radikaali (Finnish), radical libre [masculine] (French), szabad gyök (Hungarian), radikal bebas (Indonesian), 遊離基 (yūriki) (alt: ゆうりき) (Japanese), 유리기 (yurigi) (alt: 遊離基) (Korean), radical livre [masculine] (Portuguese), radical libre [masculine] (Spanish), ві́льний радика́л (vílʹnyj radykál) [masculine] (Ukrainian), gốc tự do (Vietnamese)
    Sense id: en-free_radical-en-noun-X~QXZRAt Categories (other): English entries with incorrect language header Topics: chemistry, natural-sciences, physical-sciences, physics

Inflected forms

Download JSON data for free radical meaning in English (3.1kB)

{
  "forms": [
    {
      "form": "free radicals",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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      "args": {},
      "expansion": "free radical (plural free radicals)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
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          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Chemistry",
          "orig": "en:Chemistry",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Physics",
          "orig": "en:Physics",
          "parents": [
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A molecule, ion or atom that has one or more unpaired electrons, and which is generally highly reactive (and therefore often occurs only as a transient species)."
      ],
      "id": "en-free_radical-en-noun-X~QXZRAt",
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
        [
          "physics",
          "physics"
        ],
        [
          "molecule",
          "molecule"
        ],
        [
          "ion",
          "ion"
        ],
        [
          "atom",
          "atom"
        ],
        [
          "unpaired",
          "unpaired"
        ],
        [
          "electron",
          "electron"
        ],
        [
          "highly",
          "highly"
        ],
        [
          "reactive",
          "reactive"
        ],
        [
          "transient",
          "transient"
        ],
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          "species",
          "species"
        ]
      ],
      "raw_glosses": [
        "(chemistry, physics) A molecule, ion or atom that has one or more unpaired electrons, and which is generally highly reactive (and therefore often occurs only as a transient species)."
      ],
      "related": [
        {
          "word": "•"
        }
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
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      ],
      "translations": [
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "roman": "zìyóujī",
          "sense": "molecule, ion, or atom with an unpaired electron",
          "word": "自由基"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "molecule, ion, or atom with an unpaired electron",
          "word": "vapaa radikaali"
        },
        {
          "code": "fr",
          "lang": "French",
          "sense": "molecule, ion, or atom with an unpaired electron",
          "tags": [
            "masculine"
          ],
          "word": "radical libre"
        },
        {
          "code": "hu",
          "lang": "Hungarian",
          "sense": "molecule, ion, or atom with an unpaired electron",
          "word": "szabad gyök"
        },
        {
          "code": "id",
          "lang": "Indonesian",
          "sense": "molecule, ion, or atom with an unpaired electron",
          "word": "radikal bebas"
        },
        {
          "alt": "ゆうりき",
          "code": "ja",
          "lang": "Japanese",
          "roman": "yūriki",
          "sense": "molecule, ion, or atom with an unpaired electron",
          "word": "遊離基"
        },
        {
          "alt": "遊離基",
          "code": "ko",
          "lang": "Korean",
          "roman": "yurigi",
          "sense": "molecule, ion, or atom with an unpaired electron",
          "word": "유리기"
        },
        {
          "code": "pt",
          "lang": "Portuguese",
          "sense": "molecule, ion, or atom with an unpaired electron",
          "tags": [
            "masculine"
          ],
          "word": "radical livre"
        },
        {
          "code": "es",
          "lang": "Spanish",
          "sense": "molecule, ion, or atom with an unpaired electron",
          "tags": [
            "masculine"
          ],
          "word": "radical libre"
        },
        {
          "code": "uk",
          "lang": "Ukrainian",
          "roman": "vílʹnyj radykál",
          "sense": "molecule, ion, or atom with an unpaired electron",
          "tags": [
            "masculine"
          ],
          "word": "ві́льний радика́л"
        },
        {
          "code": "vi",
          "lang": "Vietnamese",
          "sense": "molecule, ion, or atom with an unpaired electron",
          "word": "gốc tự do"
        }
      ],
      "wikipedia": [
        "free radical"
      ]
    }
  ],
  "word": "free radical"
}
{
  "forms": [
    {
      "form": "free radicals",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "free radical (plural free radicals)",
      "name": "en-noun"
    }
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "•"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
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      ],
      "glosses": [
        "A molecule, ion or atom that has one or more unpaired electrons, and which is generally highly reactive (and therefore often occurs only as a transient species)."
      ],
      "links": [
        [
          "chemistry",
          "chemistry"
        ],
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        ],
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        ],
        [
          "ion",
          "ion"
        ],
        [
          "atom",
          "atom"
        ],
        [
          "unpaired",
          "unpaired"
        ],
        [
          "electron",
          "electron"
        ],
        [
          "highly",
          "highly"
        ],
        [
          "reactive",
          "reactive"
        ],
        [
          "transient",
          "transient"
        ],
        [
          "species",
          "species"
        ]
      ],
      "raw_glosses": [
        "(chemistry, physics) A molecule, ion or atom that has one or more unpaired electrons, and which is generally highly reactive (and therefore often occurs only as a transient species)."
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "physical-sciences",
        "physics"
      ],
      "wikipedia": [
        "free radical"
      ]
    }
  ],
  "translations": [
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "roman": "zìyóujī",
      "sense": "molecule, ion, or atom with an unpaired electron",
      "word": "自由基"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "molecule, ion, or atom with an unpaired electron",
      "word": "vapaa radikaali"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "molecule, ion, or atom with an unpaired electron",
      "tags": [
        "masculine"
      ],
      "word": "radical libre"
    },
    {
      "code": "hu",
      "lang": "Hungarian",
      "sense": "molecule, ion, or atom with an unpaired electron",
      "word": "szabad gyök"
    },
    {
      "code": "id",
      "lang": "Indonesian",
      "sense": "molecule, ion, or atom with an unpaired electron",
      "word": "radikal bebas"
    },
    {
      "alt": "ゆうりき",
      "code": "ja",
      "lang": "Japanese",
      "roman": "yūriki",
      "sense": "molecule, ion, or atom with an unpaired electron",
      "word": "遊離基"
    },
    {
      "alt": "遊離基",
      "code": "ko",
      "lang": "Korean",
      "roman": "yurigi",
      "sense": "molecule, ion, or atom with an unpaired electron",
      "word": "유리기"
    },
    {
      "code": "pt",
      "lang": "Portuguese",
      "sense": "molecule, ion, or atom with an unpaired electron",
      "tags": [
        "masculine"
      ],
      "word": "radical livre"
    },
    {
      "code": "es",
      "lang": "Spanish",
      "sense": "molecule, ion, or atom with an unpaired electron",
      "tags": [
        "masculine"
      ],
      "word": "radical libre"
    },
    {
      "code": "uk",
      "lang": "Ukrainian",
      "roman": "vílʹnyj radykál",
      "sense": "molecule, ion, or atom with an unpaired electron",
      "tags": [
        "masculine"
      ],
      "word": "ві́льний радика́л"
    },
    {
      "code": "vi",
      "lang": "Vietnamese",
      "sense": "molecule, ion, or atom with an unpaired electron",
      "word": "gốc tự do"
    }
  ],
  "word": "free radical"
}

This page is a part of the kaikki.org machine-readable English dictionary. This dictionary is based on structured data extracted on 2024-05-05 from the enwiktionary dump dated 2024-05-02 using wiktextract (f4fd8c9 and c9440ce). 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.

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