[hoh-muh-lawg, -log, hom-uh-]


or ho·mo·log

[hoh-muh-lawg, -log, hom-uh-]
  1. something homologous.
  2. Chemistry. any member of a homologous series of organic compounds: Ethane is a homologue of the alkane series.

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. 2018

British Dictionary definitions for homolog


sometimes US homolog

  1. biology a homologous part or organ
  2. 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

homolog in Medicine


  1. 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.

homolog in Science


homolog (hŏmə-lôg′, hōmə-)
  1. A homologous organ or part.
  2. A homologous chromosome.
  3. A homologous chemical compound. Compare analog.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.