adjective
(genetics) Of, pertaining to, or causing dysgenesis.
(more broadly) Tending to stunt to interfere with normal healthy development.
(of a hybrid) Infertile when crossed with a similar hybrid but marginally fertile when crossed with one of the parent species.
(by extension, eugenics, racism) Involving reproduction by couples of different races, believed to lead to inferior offspring.
Tending to promote childlessness.
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