See also: 二叠纪 and 二畳紀

Chinese edit

two fold up; repeat period
trad. (二疊紀)
simp. (二叠纪)
 
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Etymology edit

Orthographic borrowing from Japanese 二畳紀.

Pronunciation edit


Proper noun edit

二疊紀

  1. (geology) the Permian period (part of the Paleozoic era, spanning from 298.9 to 252.17 million years ago)

See also edit