Perm·ian /ˈpɝmiən, ˈpɛr-/
  (a.)二疊紀的二疊紀
  Per·mi·an prop. a.  Geol. Belonging or relating to the period, and also to the formation, next following the Carboniferous, and regarded as closing the Carboniferous age and Paleozoic era. -- n. The Permian period. See Chart of Geology.
  ◄ ►
  Permian
       n : from 280 million to 230 million years ago; reptiles [syn: Permian
           period]