iodin
1. [ noun ] (chemistry) 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: iodine atomic_number_53 I
Related terms: chemical_element halogen iodine-131 iodine-125 seawater iodize
Similar spelling:   iodine