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1. (adj.) Permian
noting or pertaining to a period of the Paleozoic Era occurring from about 280 million to 230 million years ago, a time of mass extinctions and a profusion of amphibian species.
2. (n.) Permian
the Permian Period or System.
Etymology: (1841; after the province of Perm in E Russia (see Perm ), where strata from this period were identified; see -ian)
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| Definition of 'permian' |
Princeton's WordNet |
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1. (noun) Permian, Permian period
from 280 million to 230 million years ago; reptiles
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| Definition of 'permian' |
Webster Dictionary |
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1. (adj) permian
belonging or relating to the period, and also to the formation, next following the Carboniferous, and regarded as closing the Carboniferous age and Paleozoic era
2. (noun) permian
the Permian period. See Chart of Geology
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Definitions of permian 
