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n. pl. ep·ei·rog·e·nies Uplift or depression of the earth's crust, affecting large areas of land or ocean bottom. [Greek ēpeiros, continent + -GENY.] e·pei′ro·genic (ĭ-pī′rō-jĕnĭk) adj. e·pei′ro·geni·cal·ly adv. |
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