二疊紀

简 二叠纪 · 繁 二疊紀
Mandarin · pinyin Èr dié jì

Meanings

  1. Permian (geological period 292-250m years ago)
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Characters in this entry

二
èr · two; twice
疊
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紀
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叠
dié · pile; be piled up; fold up
纪
jì · record, annal, historical account
Written characters and their own readings; the entry’s pronunciation is shown above.

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Mandarin tones

4–2–4 · Er4 die2 ji4

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3character links1same-tone record
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Read this spelling in Classical texts

Follow a written form into the eight pinned witnesses: Analects, Mencius, Laozi, Zhuangzi, Xunzi, Han Feizi, Sunzi and the Mao Shijing. A match is a place to investigate; it does not prove that a modern dictionary sense fits the passage.

二疊紀 · find source passages ↗ · 二叠纪 · find source passages ↗

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Compare dictionary sources Wiktionary · 1 sense · 1 Cantonese reading

Rime Cantonese 粵拼

ji6 dip6 gei2

Cantonese word readings for 二疊紀. This lexicon supplies readings, not definitions.

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Wiktionary English definitions · Chinese section

Independent source senses for this spelling, with usage labels retained. Not matched to the pronunciation above.

name

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

Source page · dump 2026-09-02 · Contributors & history

Wiktionary contributors · CC BY-SA 4.0 · source & license · Data pack