二迭纪

Traditional form:

二迭紀

Pinyin (reading):

Erdiéjì

Definitions:

• Permian (geological period 292-250m years ago)
• also written 二疊紀／二叠纪

Characters:

• 二 - two; twice
• 迭 - repeatedly, frequently
• 纪 - discipline, age; period, era; record, annal

Traditional characters:

• 二 - two; twice
• 迭 - repeatedly, frequently
• 紀 - discipline, age; period, era; record, annal