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oleic acid

noun, Chemistry
a colorless, odorless, liquid, water-insoluble, unsaturated acid, C 1 8 H 3 4 O 2 , 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.
Origin of oleic acid
1810-20 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for oleic-acid

oleic acid

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: CH3(CH2)7CH:CH(CH2)7COOH Systematic name cis-9-octadecenoic acid
Word Origin
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
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oleic-acid in Medicine

oleic acid o·le·ic 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.
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oleic-acid in Science
oleic acid
An oily liquid occurring in animal and vegetable oils and used in making soap. Chemical formula: C18H34O2.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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