Open English Wordnet
Nouns
(n)iodine, iodin, I, atomic number 53a 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)
(n)tincture of iodine, iodinea tincture consisting of a solution of iodine in ethyl alcohol; applied topically to wounds as an antiseptic