[ yoo-juh-nawl, -nohl ]
/ ˈyu dʒəˌnɔl, -ˌnoʊl /

noun Chemistry, Pharmacology.

a colorless, oily, spicy, aromatic, very slightly water-soluble liquid, C10H12O2, extracted from certain essential oils, as oil of cloves: used chiefly in perfumery and in dentistry as an antiseptic.

Origin of eugenol

1885–90; < New Latin Eugen(ia) name of genus of trees (after Prince Eugène of Savoy; see -ia) + -ol2
Also called eugenic acid. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for eugenol

British Dictionary definitions for eugenol

/ (ˈjuːdʒɪˌnɒl) /


a colourless or pale yellow oily liquid substance with a spicy taste and an odour of cloves, used in perfumery; 4-allyl-2-methoxyphenol. Formula: C 10 H 12 O 2

Word Origin for eugenol

C19: eugen-, from Eugenia caryophyllata kind of clove from which oil may be obtained + -ol 1
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

Medical definitions for eugenol

[ yōōjə-nôl′, -nōl′ ]


An aromatic liquid made from clove oil, used as a dental analgesic.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.