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iodine

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noun, often attributive io·dine \ˈī-ə-ˌdīn, -dən, -ˌdēn\

Simple Definition of iodine

  • : a chemical element that is used especially in medicine and photography

Source: Merriam-Webster's Learner's Dictionary

Full Definition of iodine

  1. 1 :  a nonmetallic halogen element obtained usually as heavy shining blackish-gray crystals and used especially in medicine, photography, and analysis — see element table

  2. 2 :  a tincture of iodine used especially as a topical antiseptic

Origin and Etymology of iodine

French iode, from Greek ioeidēs violet colored, from ion violet


First Known Use: 1814


IODINE Defined for Kids

iodine

play
noun io·dine \ˈī-ə-ˌdīn, -dən\

Definition of iodine for Students

  1. 1 :  a chemical element found in seawater and seaweeds and used especially in medicine and photography

  2. 2 :  a solution of iodine in alcohol used to kill germs




Medical Dictionary

noun , often attributive io·dine \ˈī-ə-ˌdīn, -əd-ən, -ə-ˌdēn\

Medical Definition of iodine

  1. 1:  a nonmetallic halogen element obtained usually as heavy shining blackish gray crystals and used especially in medicine (as in antisepsis and in the treatment of goiter and cretinism) and in photography and chemical analysis—symbol I; see element table

  2. 2:  a tincture of iodine used especially as a topical antiseptic




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