— epeirogenic, epeirogenetic /i puy'roh jeuh net"ik/ , adj.
/ep'uy roj"euh nee/ , n. Geol.
vertical or tilting movement of the earth's crust, generally affecting broad areas of a continent.
Also, epeirogenesis /i puy'roh jen"euh sis/ , epirogeny .
[ 1885-90; épeiro ( s ) mainland, continent + -GENY ]