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1. 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)
   - iodin, I, atomic number 53
    
2. A tincture consisting of a solution of iodine in ethyl alcohol; applied topically to wounds as an antiseptic
   - tincture of iodine

Derived forms: iodines

See also: iodinate, iodised [Brit], iodize

Type of: antiseptic, chemical element, element, halogen, tincture

Part of: brine, saltwater, seawater

Encyclopedia: Iodine