or ho·mo·log

[ hoh-muh-lawg, -log, hom-uh- ]
/ ˈhoʊ məˌlɔg, -ˌlɒg, ˈhɒm ə- /


something homologous.
Chemistry. any member of a homologous series of organic compounds: Ethane is a homologue of the alkane series.


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Origin of homologue

1840–50; < French < Greek homólogon, neuter of homólogos homologous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for homologue


sometimes US homolog

/ (ˈhɒməˌlɒɡ) /


biology a homologous part or organ
chem any homologous compound
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 homologue



Something homologous, as an organ or part.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for homologue

homolog (hŏmə-lôg′, hōmə-)

A homologous organ or part.
A homologous chromosome.
A homologous chemical compound. Compare analog.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.