Definition from Wiktionary, the free dictionary
See also: Niacin
in 1942 derived from nicotinic acid + vitamin, chosen to dissociate it from nicotine, to avoid the perception that vitamins or niacin-rich food contains nicotine, or that cigarettes contain vitamins.
- Rhymes: -aɪəsɪn
- (biochemistry) A water-soluble vitamin, a component of vitamin B complex, found in meat, yeast, and dairy products; it is essential to metabolism.
- E375 when used as a colour retention agent
- nicotinic acid
- vitamin B3
- (historic names) vitamin PP, vitamin P-P, PP-factor, pellagra-preventive factor