[ thahy-mohl, -mawl ]
/ ˈθaɪ moʊl, -mɔl /

noun Chemistry, Pharmacology.

a colorless, crystalline, slightly water-soluble solid, C10H14O, having a pungent, aromatic taste and odor, obtained from the oil distilled from thyme or prepared synthetically: used chiefly in perfumery, embalming, preserving biological specimens, and in medicine as a fungicide and antiseptic.

Origin of thymol

First recorded in 1855–60; thyme + -ol2
Also called thyme camphor, thymic acid [tahy-mik] /ˈtaɪ mɪk/. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for thymol

British Dictionary definitions for thymol


/ (ˈθaɪmɒl) /


a white crystalline substance with an aromatic odour, obtained from the oil of thyme and used as a fungicide, antiseptic, and anthelmintic and in perfumery and embalming; 2-isopropylphenol. Formula: (CH 3) 2 CHC 6 H 3 (CH 3)OH

Word Origin for thymol

C19: from thyme + -ol ²
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 thymol


[ thīmôl′, -mōl′ ]


A white crystalline aromatic compound derived from thyme oil and other oils or made synthetically and used as an antiseptic, a fungicide, and a preservative.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.