'Hypogene' definitions:

Definition of 'Hypogene'

From: GCIDE

Hypogene \Hyp"o*gene\, a. [Pref. hypo- + the root of Gr. ? to be born: cf. F. hypog[`e]ne.] (Geol.) Formed or crystallized at depths beneath the earth's surface; -- said of granite, gneiss, and other rocks, whose crystallization is believed of have taken place beneath a great thickness of overlying rocks. Opposed to epigene. [1913 Webster]