二疊紀 [－叠纪]

Jyutping ji6 dip6 gei2
Pinyin èr dié jì

Definitions (CC-CEDICT)
  1. Permian (geological period 292-250m years ago)
Definitions (Wiktionary)
  1. name
    the Permian period (part of the Paleozoic era, spanning from 298.9 to 252.17 million years ago)