D defs.my
Entry 1 sense Webster, 1913

Dysgenesis

· Dys·gen·e·sis · IPA
01 n. A condition of not generating or breeding freely; infertility; a form of homogenesis in which the hybrids are sterile among themselves, but…
  1. 1.
    A condition of not generating or breeding freely; infertility; a form of homogenesis in which the hybrids are sterile among themselves, but are fertile with members of either parent race.(Biol.)