an unsaturated fatty acid, C18H32O2, occurring as a glyceride in drying oils, as in linseed oil.
Also li·no·lic ac·id [luh-noh-lik] /ləˈnoʊ lɪk/.
Origin of linoleic acid
First recorded in 1855–60
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for linoleic acid
/ (ˌlɪnəʊˈliːɪk) /
a colourless oily essential fatty acid found in many natural oils, such as linseed: used in the manufacture of soaps, emulsifiers, and driers. Formula: C 18 H 32 O 2
Word Origin for linoleic acid
C19: from Latin līnum flax + oleic acid; so named because it is found in linseed oil
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
Medicine definitions for linoleic acid
[ lĭn′ə-lē′ĭk ]
An unsaturated fatty acid considered essential to the human diet.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Science definitions for linoleic acid
[ lĭn′ə-lē′ĭk ]
An unsaturated fatty acid that has two double bonds and is a nutrient essential for prostaglandin production in the human body. It is an important component of many vegetable oils, such as linseed, soybean, peanut, corn, and safflower oil, and is also found in meat and dairy products. Chemical formula: C18H32O2.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.