[nik-uh-tin-uh-mahyd, -mid, -tee-nuh-] 
| 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. |
nicotinamide nic·o·tin·a·mide (nĭk'ə-tĭn'ə-mīd', -tē'nə-)
n.
The biologically active amide of niacin having similar vitamin activity and used in the prevention and treatment of pellagra. Also called niacinamide.
əˈtɪn