a colorless, odorless, liquid, water-insoluble, unsaturated acid, C18H34O2, obtained from animal tallow and natural vegetable oils, in which it occurs as the glycerol ester: used chiefly in the manufacture of soap, commercial oleates, and cosmetics.
Words nearby oleic acid
Origin of oleic acid
First recorded in 1810–20
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for oleic acid
/ (əʊˈliːɪk) /
a colourless oily liquid unsaturated acid occurring, as the glyceride, in almost all natural fats used in making soaps, ointments, cosmetics, and lubricating oils. Formula: CH 3 (CH 2) 7 CH:CH(CH 2) 7 COOHSystematic name: cis -9-octadecenoic acid
Word Origin for oleic acid
C19 oleic, from Latin oleum oil + -ic
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 oleic acid
[ ō-lē′ĭk ]
An organic acid that is prepared from fats and is used in the preparation of oleates and lotions.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Science definitions for oleic acid
[ ō-lē′ĭk ]
An oily liquid occurring in animal and vegetable oils and used in making soap. Chemical formula: C18H34O2.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.