Homologous /(?)/

Ho·mol·o·gous

Homologous

a.
  1. Having the same relative position, proportion, value, or structure. (Geom.)
    In similar polygons, the corresponding sides, angles, diagonals, etc., are homologous.
    — Davies & Peck (Math. Dict.).
  2. Having the same relative proportion or value, as the two antecedents or the two consequents of a proportion. (Alg.)

Phrases & Compounds
Homologous stimulus
See under Stimulus.