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nicotinic acid

noun

, Biochemistry.
  1. a crystalline acid, C 6 H 5 NO 2 , that is a component of the vitamin-B complex, found in fresh meat, yeast, etc., produced by the oxidation of nicotine, and used in the prevention and treatment of pellagra.


nicotinic acid

noun

  1. a vitamin of the B complex that occurs in milk, liver, yeast, etc. Lack of it in the diet leads to the disease pellagra. Formula: (C 5 H 4 N)COOH Also calledniacin
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


nicotinic acid

/ nĭk′ə-tĭnĭk,-tēnĭk /

  1. See niacin


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Word History and Origins

Origin of nicotinic acid1

First recorded in 1885–90

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nicotinicnicotinism