1. (genetics) the act of mixing different species or varieties of animals or plants and thus to produce hybrids
   "crossbreeding techniques have led to the development of many new crop varieties";
   - hybridization, hybridisation [Brit], crossing, cross, interbreeding, hybridizing, hybridising [Brit]
    
2. Reproduction by parents of different races (especially by white and non-white persons)
   "Laws against crossbreeding were common in the United States until the mid-20th century";
   - miscegenation [archaic], interbreeding

1. Breed animals or plants using parents of different races and varieties
   "Mendel tried crossbreeding";
   - cross, hybridize, hybridise [Brit], interbreed

Derived forms: crossbreedings

Type of: breed, conjugation, coupling, facts of life, mating, pairing, procreation, reproduction, sexual union, union

Encyclopedia: Crossbreeding