Het·er·o·ge·ne·ous a. 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. -- Het*er*o*ge*ne*ous*ly, adv. -- Het*er*o*ge*ne*ous*ness, n.
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, and surfaces and solids.
Heterogeneous surds Math., surds having different radical signs.