heterotropic adjective3 •Concerning an effect in one entity that is controlled or influenced by a separate entity, such as when one ligand influences the binding of another ligand.Some allosteric enzymes exhibit mixed homotropic and heterotropic interactions. — 2002 •Arising from the interaction of separate people or entities.At the end of the twentieth century Nature is alive and well, permeating the experience of everyday life as a riotous profusion of heterotropic images, signs and discursive constructs. — 1998 •Concerning a process that abnormally takes place outside of its normal system as well as within its normal system.Heterotropic pregnancy occurs when intrauterine and ectopic pregnancies coexist. — 2007