adj. Originating within the earth; endogenous or endogenetic
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. derived or originating internally
adj. of rocks formed or occurring beneath the surface of the earth
Word Usage
"To use Gergen’s 1985 dichotomy, with its external and internal referents, the focus is exogenic as opposed to endogenic, which is subjective or phenomenological."