1. (noun) 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)

• atomic number 53
• i
• iodin

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

• tincture of iodine

1. (noun) 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)

• chemical element
• element
• halogen

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

• antiseptic
• tincture

1. (noun) 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)

• iodine-125
• iodine-131

1. (noun) 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)

• iodinate
• iodise
• iodise
• iodize
• iodize