iodine

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

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iodine

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

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iodine (usually uncountable, plural iodines)

2. A chemical element (symbol: I) with an atomic number of 53; one of the halogens.

   Synonym: iode (obsolete)

3. An antiseptic incorporating the element.

   Synonym: tincture of iodine

4. (countable, uncountable, obsolete) An iodide.

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

• element
  • halogen

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

1. (transitive) to treat with iodine.

   Synonym: iodinate

• Idoine