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niacin
[ nahy-uh-sin ]
/ ˈnaɪ ə sɪn /
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noun Biochemistry.
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Origin of niacin
First recorded in1935–40; ni(cotinic) ac(id) + -in2
Words nearby niacin
NHL, NHS, NHTSA, Ni, NIA, niacin, niacinamide, Niagara, Niagara Falls, Niagara green, Niagara-on-the-Lake
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
British Dictionary definitions for niacin
Word Origin for niacin
C20: from ni (cotinic) ac (id) + -in
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Scientific definitions for niacin
niacin
[ nī′ə-sÄn ]
A water-soluble organic acid belonging to the vitamin B complex that is important in carbohydrate metabolism. It is a pyridine derivative and is a precursor of the coenzyme NAD. Niacin is found in liver, fish, and whole-grain foods. Deficiency of niacin in the diet causes pellagra. Also called nicotinic acid. Chemical formula: C6H5NO2.
The American Heritage® Science Dictionary
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