'Epigenesis' definitions:

Definition of 'epigenesis'

noun

A geological change in the mineral content of rock after the rock has formed

Definition of 'Epigenesis'

From: GCIDE

Epigenesis \Ep`i*gen"e*sis\, n. [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. [1913 Webster]

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