permian in English
- Permian⇄adj. of this period or these rocks.
- Permian⇄noun 1. a geological period, the last of the Paleozoic, after the Pennsylvanian and before the Triassic. It was characterized by the end of the trilobites, the spread of the reptiles, and the occurrence of ice-sheet glaciation in Australia, India, and So
- Permian⇄Permian, noun, adjective.