Cisuralian

adj, name

adj, name ·Rare ·Advanced level

Definitions

Adjective
  1. 1
    Of a geologic epoch within the Permian period from about 299 to 270 million years ago; marked by the appearance of beetles and flies.
Proper Noun
  1. 1
    the Cisuralian epoch

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.