oleic acid


noun Chemistry.

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

oleic acid
/ (əʊˈliːɪk) /

noun

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

oleic acid
[ ō-lēĭk ]

n.

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

oleic acid
[ ō-lēĭk ]

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.