het·er·og·e·ny \ˌ ̷ ̷ ̷ ̷ˈräjənē\noun (-es) Etymology:heterogenous + -y 1.: a heterogenous collection or group < the descendants of the heterogeny of Arab tribes that settled in Samaria — A.N.Williams b.1914 > 2.[heter- + -geny]: heterogenesis 3.: the application of different genders to neuter things