1. Cisuralian - Adjective
2. Cisuralian - Proper noun
Cisuralian (comparative more Cisuralian, superlative most Cisuralian)
(geology) Of a geologic epoch within the Permian period from about 299 to 270 million years ago; marked by the appearance of beetles and flies.
English Wikipedia has an article on:CisuralianWikipedia
Cisuralian
(geology) the Cisuralian epoch