Niacin

4 definitions found

From The Collaborative International Dictionary of English v.0.48 [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]

From The Collaborative International Dictionary of English v.0.48 [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]

From WordNet (r) 2.0 [wn]:

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

From Moby Thesaurus II by Grady Ward, 1.0 [moby-thes]:

  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