Definify.com
Webster 1913 Edition
Epigenesis
Epˊi-gen′e-sis
,Noun.
[Pref.
epi-
+ genesis
.] (Biol.)
The theory of generation which holds that the germ is created entirely new, not merely expanded, by the procreative power of the parents. It is opposed to the theory of
evolution
, also to syngenesis
.