Cacogenesis
The Century Dictionary and Cyclopedia
noun.
The quality, common in mixed breeds, of having a low vitality and of being infertile.
noun.
In
medicine
, a morbid formation, whether congenital, as a monstrosity, or of later development, as a tumor.
Wiktionary, Creative Commons Attribution/Share-Alike License
noun.
A
morbid
,
monstrous
, or pathological growth or product; an
abnormality
in
structure
; a
monstrosity
.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
inability to produce hybrids that are both viable and fertile
Hypernym
Words that are more generic or abstract
infertility
sterility