Noun iodine has 2 senses
  1. iodine, iodin, I, atomic number 53 - a nonmetallic element belonging to the halogens; used especially in medicine and photography and in dyes; occurs naturally only in combination in small quantities (as in sea water or rocks)
    --1 is a kind of chemical element, element; halogen
    --1 is a substance of seawater, saltwater, brine
    --1 has particulars: iodine-131; iodine-125
    Derived forms: verb iodinate1, verb iodize1, verb iodise1
  2. tincture of iodine, iodine - a tincture consisting of a solution of iodine in ethyl alcohol; applied topically to wounds as an antiseptic
    --2 is a kind of tincture; antiseptic
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