Webster's Revised Unabridged Dictionary · 1913

Heterogeneous

Heterogeneous , adjective

[Greek {not transcribed}; {not transcribed} + {not transcribed} race, kind; akin to English kin: compare French 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.
Collocations (3)
Heterogeneous nouns (Grammar) , nouns having different genders in the singular and plural numbers; as, hic locus, of the masculine gender in the singular, and hi loci and hac loca, both masculine and neuter in the plural; hoc calum, neuter in the singular; hi cali, masculine in the plural.
Heterogeneous quantities (Mathematics) , such quantities as are incapable of being compared together in respect to magnitude, and surfaces and solids.
Heterogeneous surds (Mathematics) , surds having different radical signs.