permian

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Definitions from WordNet

Noun permian has 1 sense

Permian, Permian period - from 280 million to 230 million years ago; reptiles
--₁ is a kind of period, geological period
--₁ is a part of Paleozoic, Paleozoic era

Definitions from the Web

Permian

Noun

1. A geologic period that lasted from about 299 million to 251 million years ago, characterized by the diversification of reptiles and the appearance of the first mammals.

Example sentence: Fossil records show that many unique species evolved during the Permian period.

Adjective

1. Relating to or characteristic of the Permian period.

Example sentence: The Permian extinction event had a profound impact on Earth's biodiversity.

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