- of, denoting, or formed in the last period of the Palaeozoic era, between the Carboniferous and Triassic periods, which lasted for 60 000 000 years
- the Permian ⇒ the Permian period or rock system
| 单词 | permian |
| 释义 | WordReference Random House Unabridged Dictionary of American English © 2024 Per•mi•an (pûr′mē ən),USA pronunciation adj.
n.
Collins Concise English Dictionary © HarperCollins Publishers:: Permian /ˈpɜːmɪən/ adj
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