[huh-mol-uh-guh s, hoh-] /həˈmɒl ə gəs, hoʊ-/
having the same or a similar relation; corresponding, as in relative position or structure.
corresponding in structure and in origin, but not necessarily in function:
The wing of a bird and the foreleg of a horse are homologous.
having the same alleles or genes in the same order of arrangement:
Chemistry. of the same chemical type, but differing by a fixed increment of an atom or a constant group of atoms:
Methyl and ethyl alcohols are homologous.
Immunology. pertaining to an antigen and its specific antibody.
having a related or similar position, structure, etc
(chem) (of a series of organic compounds) having similar characteristics and structure but differing by a number of CH2 groups
(biology) (of organs and parts) having the same evolutionary origin but different functions: the wing of a bat and the paddle of a whale are homologous Compare analogous (sense 2)
(maths) (of elements) playing a similar role in distinct figures or functions
1650s, from Greek homologos “agreeing, of one mind,” from homos “same” (see homo- (1)) + logos “relation, reasoning, computation,” related to legein “reckon, select, speak” (see lecture (n.)).
homologous ho·mol·o·gous (hə-mŏl’ə-gəs, hō-)
[hos-tl or, esp. British, -tahyl] /ˈhɒs tl or, esp. British, -taɪl/ adjective 1. of, relating to, or characteristic of an enemy: a hostile nation. 2. opposed in feeling, action, or character; antagonistic: hostile criticism. 3. characterized by antagonism. 4. not friendly, warm, or generous; not hospitable. noun 5. a person or thing that is antagonistic […]
[non-hyoo-muh n or, often, -yoo-] /nɒnˈhyu mən or, often, -ˈyu-/ adjective 1. not . 2. not displaying the emotions, sympathies, intelligence, etc., of most beings. 3. not intended for consumption by : nonhuman products such as soaps and detergents.
[hyoo-muh-nist or, often, yoo-] /ˈhyu mə nɪst or, often, ˈyu-/ noun 1. a person having a strong interest in or concern for welfare, values, and dignity. 2. a person devoted to or versed in the . 3. a student of or affairs. 4. a classical scholar. 5. (sometimes initial capital letter) any one of the […]
[hahy-drey-tid] /ˈhaɪ dreɪ tɪd/ adjective 1. chemically combined with water in its molecular form. 2. (of paper pulp) beaten until gelatinous for making into water-resistant paper. /ˈhaɪdreɪtɪd/ adjective 1. (of a compound) chemically bonded to water molecules