| 单词 | Appalachian orogeny |
| 释义 | Appalachian orogeny [¦ap·ǝ¦lā·chǝn ȯ`räj·ǝ·nē] GEOLOGY An obsolete term referring to Late Paleozoic diastrophism beginning perhaps in the Late Devonian and continuing until the end of the Permian; now replaced by Allegheny orogeny. |
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