Webster's Revised Unabridged Dictionary (1913)

Webster's Revised Unabridged Dictionary (1913 + 1828)

Displaying 1 result(s) from the 1913 edition:

Homologous (Page: 701)

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. Especially: (a) (Geom.) Corresponding in relative position and proportion.

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

(b) (Alg.) Having the same relative proportion or value, as the two antecedents or the two consequents of a proportion. (c) (Chem.) Characterized by homology; belonging to the same type or series; corresponding in composition and properties. See Homology,

3. (d) (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 thier relations to the type structure of the fore limb in vertebrates. Homologous stimulus. (Physiol.) See under Stimulus. [702]