dysgenesis Meaning, Definition & Usage

  1. noun infertility between hybrids

WordNet

Dys*gen"e*sis noun
Etymology
Pref. dys- + genesis.
Definitions
  1. (Biol.) A condition of not generating or breeding freely; infertility; a form homogenesis in which the hybrids are sterile among themselves, but are fertile with members of either parent race.

Webster 1913