| 释义 |
per·mi·an
I. \ˈpərmēən\ adjective
Usage: usually capitalized
Etymology: Perm, region in eastern Russia (from Russian Perm') + English -ian
: of or relating to the last major division of the Paleozoic marked by extensive glaciation in India, So. Africa, So. America, and Australia, by decline of the amphibians and increase of primitive reptiles, and by rocks consisting largely of red sandstone and shale — see geologic time table
II. noun
(-s)
Usage: usually capitalized
1. : the Permian period or system of rocks
2.
a. : permiak
b. : the Finno-Ugric languages of the Permiaks, Votyaks, and Zyrians |