iodine

== English == === Etymology === From French iode + -ine, from Ancient Greek ἰοειδής (ioeidḗs, “violet”). Coined by British chemist Humphry Davy in 1814. === Pronunciation === enPR: ī'ədīn, ī'ədĭn, ī'ədēn, IPA(key): /ˈaɪ.əˌdaɪn, -dɪn, -diːn/ === Noun === iodine (usually uncountable, plural iodines) A chemical element (symbol: I) with an atomic number of 53; one of the halogens. Synonym: iode (obsolete) An antiseptic incorporating the element. Synonym: tincture of iodine (countable, uncountable, obsolete) An iodide. ==== Usage notes ==== Note that the chemical symbol J (not I) is sometimes used in German chemistry texts. ==== Hypernyms ==== element halogen ==== Derived terms ==== ==== Related terms ==== ==== Descendants ==== Tok Pisin: aidin ==== Translations ==== === Verb === iodine (third-person singular simple present iodines, present participle iodining, simple past and past participle iodined) (transitive) to treat with iodine. Synonym: iodinate === Anagrams === Idoine