nicotinamide: Meaning and Definition of

nic•o•tin•a•mide

1. a colorless, crystalline, water-soluble solid, CHNO, the amide of nicotinic acid, and a component of the vitamin-B complex, found in meat, liver, fish, whole wheat, and eggs: used in medicine chiefly as an agent for preventing or treating human pellagra or animal black tongue. Also called