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Pronunciation: (nik"u-tin'u-mīd", -mid, -tē'nu-), [key]
n. Biochem.
a colorless, crystalline, water-soluble solid, C6H6N2O, 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 niacinamide, nicotin'ic ac'id am'ide.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

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