A Heterogeneous:

Heterogeneous is an adjective used to describe something that has a large amount of variants or different forms. Derived from the Greek; heteros or 'other' and genos or 'kind'.. It is the antonym of homogeneous, which means that an object or system consists of many identical items. Matters of a quantum can exist in homogenous or in heterogeneous or in combined distributions. The term is often used in a scientific (such as a kind of catalyst), mathematical, sociological or statistical context.A heterogeneous compound, mixture, reaction or other such object is one that consists of many different items, which are often not easily sorted or separated, though they are clearly distinct.A heterogeneous mixture is a mixture of two or more compounds. In chemical kinetics, a heterogeneous reaction is one that takes place at the interface of two or more i.e. between a solid and a gas, a liquid and a gas, or a solid and a liquid.