English edit

Chemical element
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Etymology edit

From French iode + -ine, from Ancient Greek ἰοειδής (ioeidḗs, violet). Coined by British chemist Humphry Davy in 1814.

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Pronunciation edit

  • enPR: ī'ədīn, ī'ədĭn, ī'ədēn, IPA(key): /ˈaɪ.əˌdaɪn, -dɪn, -diːn/
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Noun edit

iodine (usually uncountable, plural iodines)

  1. A chemical element (symbol: I) with an atomic number of 53; one of the halogens.
    Synonym: iode (obsolete)
  2. An antiseptic incorporating the element.
    Synonym: tincture of iodine
  3. (countable, uncountable, obsolete) An iodide.

Usage notes edit

Note that the chemical symbol J (not I) is sometimes used in German chemistry texts.

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Verb edit

iodine (third-person singular simple present iodines, present participle iodining, simple past and past participle iodined)

  1. (transitive) to treat with iodine.
    Synonym: iodinate

Anagrams edit