Meaning of homologue

ho•mo•logue

Pronunciation: (hō'mu-lôg", -log", hom'u-), [key]
— n.
  1. something homologous.
  2. any member of a homologous series of organic compounds: Ethane is a homologue of the alkane series.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.