(n.) A nonmetallic element, of the halogen group, occurring always in combination, as in the iodides. When isolated it is in the form of dark gray metallic scales, resembling plumbago, soft but brittle, and emitting a chlorine like odor. Symbol I. Atomic weight 126.5. If heated, iodine volatilizes in beautiful violet vapors.

Argyrol Mercurochrome Merthiolate Salol alcohol boric acid calomel camphor carbolic acid chloramine cresol gentian violet gramicidin hexachloraphene hydrogen peroxide peroxide phenol phenyl salicylate resorcinol silver vitellin thimerosal thymol tincture of iodine