a natural vegetable or animal oil that is nonvolatile, as lard oil, linseed oil, etc.
Origin of fixed oil
First recorded in 1790–1800
Also called fatty oil.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for fixed oil
a natural animal or vegetable oil that is not volatile: a mixture of esters of fatty acids, usually triglyceridesAlso called: fatty oil Compare essential 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 fixed oil
A nonvolatile oil, especially a fatty oil of vegetable origin.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.