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Dictionary

Per•mi•an

Pronunciation: (pûr'mē-un), [key]
—adj.
Geol.noting or pertaining to a period of the Paleozoic Era occurring from about 280 to 230 million years ago and characterized by a profusion of amphibian species. See table under geologic time.

—n.
1. Geol.the Permian Period or System.
2. Permic.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

per mensem

Permic

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