a distilled oil, especially one obtained from plant tissue, as distinguished from glyceride oils by their volatility and failure to saponify.
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Origin of volatile oil
First recorded in 1790–1800
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for volatile oil
another name for 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 volatile oil
A rapidly evaporating oil of plant derivation, especially an essential oil, that is capable of distillation and that does not leave a stain.ethereal oil
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.