iodine

英['aɪədiːn;-aɪn;-ɪn] 美[aɪədaɪn]

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)

2. a tincture consisting of a solution of iodine in ethyl alcohol; applied topically to wounds as an antiseptic