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homologous

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adjective ho·mol·o·gous \hō-ˈmä-lə-gəs, hə-\

Definition of homologous

  1. 1 a :  having the same relative position, value, or structure: as (1) :  exhibiting biological homology (2) :  having the same or allelic genes with genetic loci usually arranged in the same order <homologous chromosomes> b :  belonging to or consisting of a chemical series whose successive members have a regular difference in composition especially of one methylene group

  2. 2 :  derived from or developed in response to organisms of the same species



Origin of homologous

Greek homologos agreeing, from hom- + legein to say — more at legend


First Known Use: 1660

Other Chemical Engineering Terms

Rhymes with homologous


Medical Dictionary

homologous

play
adjective ho·mol·o·gous \hō-ˈmäl-ə-gəs, hə-\

Medical Definition of homologous

  1. 1a:  having the same relative position, value, or structure: as:  exhibiting biological homology:  having the same or allelic genes with genetic loci usually arranged in the same order <homologous chromosomes>b:  belonging to or consisting of a chemical series whose members exhibit homology

  2. 2a:  derived from or involving organisms of the same species <homologous tissue grafts>—compare autologous, heterologous 1b:  relating to or being immunity or a serum produced by or containing a specific antibody corresponding to a specific antigen

  3. ho·mol·o·gous·ly \-lē\play adverb




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