Dictionary.com
Thesaurus.com

nicotinic acid

American  

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 British  

noun

  1. Also called: niacin.  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

"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 Scientific  
/ nĭk′ə-tĭnĭk,-tēnĭk /
  1. See niacin


Etymology

Origin of nicotinic acid

First recorded in 1885–90

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Niacin, also called Vitamin B3 or nicotinic acid, is vital for their metabolism.

From Reuters • Mar. 21, 2023

That missing vitamin was nicotinic acid, later known as niacin, and it helps us evade pellagra.

From Salon • Feb. 13, 2022

"The nicotinic acid hypothesis that is the basis for all of these studies is not unreasonable from a molecular standpoint," Medford told Salon.

From Salon • May 19, 2020

DrugDeveloperClinical phaseClass Nitroimidazole, fluoroquinolone, nicotinic acid derivative Sequella, a biotechnology firm in Rockville, Maryland, is testing combinations of its drug SQ109 and bedaquiline in mice in anticipation of Janssen’s drug getting approval.

From Nature • Jul. 25, 2012

Later, when working with Drummond, Funk was forced to admit that his crystalline complex was not the pure substance, as analysis showed that it contained large amounts of nicotinic acid.

From The Vitamine Manual by Eddy, Walter H.