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Meaning of epeirogeny

ep•ei•rog•e•ny

Pronunciation: (ep"ī-roj'u-nē), [key]
— n. Geol.
  1. vertical or tilting movement of the earth's crust, generally affecting broad areas of a continent.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.