1. (noun) 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)
Synonyms: tincture of iodine, iodin, unity, single, iodine, atomic number 53, one, ace
2. (noun) tincture of iodine, iodine
a tincture consisting of a solution of iodine in ethyl alcohol; applied topically to wounds as an antiseptic
Synonyms: iodin, iodine, tincture of iodine, atomic number 53
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