niacin

4 definitions found

niacin - Collaborative International Dictionary of English v.0.48 :

  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]

  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]

niacin - WordNet (r) 2.1 (2005) :

  niacin
      n 1: a B vitamin essential for the normal function of the
           nervous system and the gastrointestinal tract [syn:
           niacin, nicotinic acid]

niacin - Moby Thesaurus II by Grady Ward, 1.0 :

  31 Moby Thesaurus words for "niacin":
     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