Noun

(en noun)

Something homologous; a homologous organ or part, chemical compound or a chromosome.

:* {{quote-book

, year=2008 , year_published= , edition= , editor=Ratko Magjarevic , author=Chan-seok Jeong, Minho Lee, Dongsup Kim , title=World Congress of Medical Physics and Biomedical Engineering 2006, Volume 1 , chapter= citation , genre=Biomedical Engineering , publisher= , isbn=9783540368397 , page=171 , passage=Detecting remote homolog by protein similarity network. }}

(linguistics) A word shared by two languages or dialects.

(genetics) One of a group of similar DNA sequences that share a common ancestry.

(organic chemistry) A member of a homologous series