homolog

n. [ Cf. F. homologation. ] (Civ. & Scots Law) Confirmation or ratification (as of something otherwise null and void), by a court or a grantor. [ 1913 Webster ]

a. Pertaining to homology; having a structural affinity proceeding from, or base upon, that kind of relation termed homology. -- Ho`mo*log"ic*al*ly, adv. [1913 Webster]

a. (Chem.) Pertaining to, or characterized by, homology; as, homologinic qualities, or differences. [ 1913 Webster ]

v. t. (Biol.) To determine the homologies or structural relations of. [ 1913 Webster ]

‖n. [ NL. ] See Homologue. [ 1913 Webster ]

‖n. pl. [ NL., fr. Gr. &unr_; things conceded, p. p. of &unr_; to agree, admit, concede. See Homologous. ] Those books of the New Testament which were acknowledged as canonical by the early church; -- distinguished from antilegomena. [ 1913 Webster ]

a. [ Gr. &unr_; assenting, agreeing; &unr_; the same + &unr_; speech, discourse, proportion, &unr_; to say, speak. ] Having the same relative position, proportion, value, or structure. Especially: (a) (Geom.) Corresponding in relative position and proportion. [ 1913 Webster ]

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 their relations to the type structure of the fore limb in vertebrates. [ 1913 Webster ]

Homologous stimulus. (Physiol.) See under Stimulus. [ 1913 Webster ]

a. [ Homo- + Gr. "o`los whole + -graph + -ic; but cf. F. homalographique, Gr. &unr_; even, level.] Preserving the mutual relations of parts, especially as to size and form; maintaining relative proportion. [1913 Webster]

Homolographic projection, a method of constructing geographical charts or maps, so that the surfaces, as delineated on a plane, have the same relative size as the real surfaces; that is, so that the relative actual areas of the different countries are accurately represented by the corresponding portions of the map. [1913 Webster]