xenogenesis Meaning, Definition & Usage

  1. noun the alternation of two or more different forms in the life cycle of a plant or animal
    heterogenesis; alternation of generations.

WordNet

Xen`o*gen"e*sis noun
Etymology
Gr. xe`nos a stranger + E. genesis.
Definitions
  1. (Biol.) (a) Same as Heterogenesis. (b) The fancied production of an organism of one kind by an organism of another. Huxley.

Webster 1913