hypogenePronunciation: /ˈhʌɪpə(ʊ)dʒiːn/Definition of hypogene adjective Geology producing or occurring under the surface of the earth. Derivatives hypogenic adjective Origin: mid 19th century: from hypo- 'under' + Greek genēs '-born, of a certain kind'hypogene in other Oxford dictionaries Definition of hypogene in the US English dictionary