Hĕt'er-o-ġē'ne-al or Hĕt'er-o-ġē'ne-oŭs, a.

a. [Gr. ἑτερογενής, from ἕτερος, other, and γένος, race, kind, from γένειν, to beget; Fr. hétérogène.] Differing in kind; having unlike qualities; possessed of different characteristics; dissimilar;—opposed to homogeneous, and said of two or more connected objects, or of a conglomerate mass, considered in respect to the parts of which it is made up. “The members [of a sentence] being so heterogeneal one to another.” Hare.

Heterogeneous nouns (Gram.), nouns having different genders in the singular and plural numbers; as, hic locus, of the masculine gender in the singular, and hi loci and hæc loca, both masculine and neuter in the plural; hoc cælum, neuter in the singular; hi cæli, masculine in the plural.—Heterogeneous quantities (Math.), such quantities as are incapable of being compared together in respect to magnitude.—Heterogeneous surds, surds having different radical signs.