iodine
/ˈaɪ.əˌdaɪn noun, verb
Forms iodines iodining iodined
- noun A chemical element (symbol: I) with an atomic number of 53; one of the halogens.
- noun An antiseptic incorporating the element.
- noun (countable, uncountable, obsolete) An iodide.
- verb (transitive) to treat with iodine.
Synonyms
Etymology
From French iode + -ine, from Ancient Greek ἰοειδής (ioeidḗs, “violet”). Coined by British chemist Humphry Davy in 1814.
Webster’s 1913
- noun A nonmetallic element, of the halogen group, occurring always in combination, as in the iodides. When isolated it is in the form of dark gray metallic scales, resembling plumbago, soft but brittle, and emitting a chlorinelike odor. Symbol I. Atomic weight 126.5. If heated, iodine volatilizes in beautiful violet vapors.
Etymology [Gr. iode, iodine. The name was given from the violet color of its vapor. See Violet, Idyl.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “iodine”, CC BY-SA 4.0. Details