Not uniform, of several kinds;
(In nomenclature) used to indicate that specimens originally described as a single taxon really belong to different taxa.
Catalysis occurring at a phase boundary, usually a solid-fluid interface.
Consisting of dissimilar elements, homogeneous.
Having different characteristics or qualities.
Composed of a mixture of things. For example, a Diagnosis Related Group (DRG) which is heterogeneous is one that is composed of patients with a variety of diagnoses, as contrasted with a “homogeneous” or “single-diagnosis” group, in which all the patients have the same diagnosis.
Made up of dissimilar or diverse parts or materials, not of the same consistency thoughout (compare homogeneous).
Of unlike natures; composed of unlike substances; the opposite of homogeneous.