Extraterrestrial crossbreeding Synonyms

Definitions for Extraterrestrial


  • (adjective) originating, located, or occurring outside Earth or its atmosphere
  • (noun) a form of life assumed to exist outside the earth or its atmosphere

Definitions for Crossbreeding


  • (noun) (genetics) the act of mixing different species or varieties of animals or plants and thus to produce hybrids
  • (noun) reproduction by parents of different races (especially by white and non-white persons)