hōˈmäləgəs, həˈ- adjective
Etymology: Greek homologos agreeing, from hom- hom- + -logos (from legein to speak) — more at legend
1. : of, relating to, or characterized by homology: as
a. : having the same relative position, proportion, value, or structure : corresponding
homologous constituents in logically equivalent … sentences — Arthur Pap
b.
(1) : corresponding in structure or origin — compare analogous 2a
(2) : of like genic constitution — used of allelic chromosomes
c. : belonging to or consisting of a chemical series whose members exhibit homology
d. : showing geometrical homology
2. : derived from or developed in response to organisms of the same species
a homologous tissue graft
bacteria suspended in a homologous serum
— compare autologous , heterologous
• ho·mol·o·gous·ly adverb