Meaning of Cisuralian | Babel Free
Definitions
Of a geologic epoch within the Permian period from about 299 to 270 million years ago; marked by the appearance of beetles and flies.
CEFR level
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.