'niacin' definitions:
Definition of 'niacin'
From: WordNet
noun
A B vitamin essential for the normal function of the nervous system and the gastrointestinal tract [syn: niacin, nicotinic acid]
Definition of 'niacin'
From: GCIDE
- niacin \niacin\ n. A B vitamin (vitamin B5) essential for the normal function of the nervous system and the gastrointestinal tract. Called also nicotinic acid and antipellagra vitamin. Chemical formula C6H5NO2, chemically it is 3-pyridinecarboxylic acid.
- Syn: nicotinic acid. [WordNet 1.5]
Definition of 'niacin'
From: GCIDE
- nicotinic acid \nic`o*tin"ic ac"id\, n. (Chem.) An organic acid (C6H5NO2), a carboxylated derivative of pyridine, obtained by the oxidation of nicotine; called also niacin and antipellagra vitamin, and vitamin B5. Chemically it is 3-pyridinecarboxylic acid.
- Note: It is a cofactor in several enzymatic reactions, and is used to prevent a pellagra-like disease in dogs. --[MI11]
- Syn: 3-pyridinecarboxylic acid, niacin, antipellagra vitamin. [1913 Webster +PJC]
Synonyms of 'niacin'
From: Moby Thesaurus
- adermin,
- aneurin,
- antiberi-beri factor,
- ascorbic acid,
- axerophthol,
- biotin,
- carotene,
- cholecalciferol,
- choline,
- cobalamin,
- cryptoxanthin,
- cyanocobalamin,
- ergocalciferol,
- folic acid,
- hepatoflavin,
- inositol,
- lactoflavin,
- menadione,
- naphthoquinone,
- nicotinic acid,
- ovoflavin,
- pyridoxine,
- tocopherol,
- vitamin,
- vitamin B,
- vitamin Bc,
- vitamin D,
- vitamin G,
- vitamin H,
- vitamin K,
- vitamin M