Used especially in medicine and photography and in dyes

• Medicinal aid: Var
• Salt additive: Var
• Antiseptic: Var
• Medicinal aid: Var.
• Element used in medicine: Var.
• Occurs naturally only in combination in small quantities (as in sea water or rocks)
• It's used in dyes and photography
• A nonmetallic element belonging to the halogens
• Halogenous element

Wiktionary Word definitions in Wiktionary
n. (context obsolete US English) (alternative form of iodine English)