homology noun. [hɒ'mɒlǝdʒi] E17.
[Late Latin homologia from Greek homologia agreement, assent, from homologos: see HOMOLOGOUS, -Y³.]
1. The quality or condition of being homologous; sameness of relation; (an instance of) correspondence. E17.

2. Biology.
a. Orig., correspondence in fundamental structure of an organ, part, etc. Now chiefly, correspondence in evolutionary origin (of organs, parts, etc.). M19.
b. An instance of this. M19.

[TahlilGaran] English Dictionary ▲