(genetics) Composed of different genes, typically by being different species

(chemistry) Catalysis in which the catalyst is present in a separate phase; normally the catalyst is a solid and the reactants are gas or liquid; it proceeds by the reaction of chemisorbed complexes.

A mixture that is separated into different regions or phases that have different compositions or properties.

plural of heterogeneous mixture

plural of heterogeneous catalysis

(chemistry) an equilibrium of which not all participating substances are in the same phase