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English word
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WORDNET DICTIONARY
CIDE DICTIONARY
OXFORD DICTIONARY
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WORDNET DICTIONARY
Noun nicotinic acid has 1 sense
- nicotinic acid(n = noun.substance) niacin - a B vitamin essential for the normal function of the nervous system and the gastrointestinal tract; is a kind of b, b-complex vitamin, b complex, b vitamin, vitamin b, vitamin b complex
CIDE DICTIONARY
nicotinic acid, n.
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 .
"It is a cofactor in several enzymatic reactions, and is used to prevent a pellagra-like disease in dogs. [MI11] "
[1913 Webster]
OXFORD DICTIONARY
nicotinic acid, n. a vitamin of the B complex, found in milk, liver, and yeast, a deficiency of which causes pellagra. Also called NIACIN.