Homologous

Ho*mol"o*gous (?), a. [Gr. assenting, agreeing; the same + speech, discourse, proportion, to say, speak.]

Having the same relative position, proportion, value, or structure

1. Geom.

   Corresponding in relative position and proportion.

   In similar polygons, the corresponding sides, angles, diagonals, etc., are homologous.
   Davies & Peck (Math. Dict. ).

2. Alg.

   Having the same relative proportion or value, as the two antecedents or the two consequents of a proportion.

   .
3. Chem.

   Characterized by homology; belonging to the same type or series; corresponding in composition and properties

   . See Homology, 3.
4. Biol.

   Being of the same typical structure; having like relations to a fundamental type to structure; as, those bones in the hand of man and the fore foot of a horse are homologous that correspond in their structural relations, that is, in their relations to the type structure of the fore limb in vertebrates

   .

Homologous stimulus. Physiol. See under Stimulus.

© Webster 1913.