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埃迪卡拉紀

简埃迪卡拉纪 · 繁埃迪卡拉紀

Mandarin · pinyin Āi dí kǎ lā jì

Ediacaran period (c. 635-542 million years ago), late phase of pre-Cambrian geological era

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Characters in this entry

埃: āi · fine dust, dirt
迪: dí · enlighten, advance; progress
卡: kǎ · card, punch card; calorie
拉: lā · pull, drag; seize, hold; lengthen
紀: Look up this written character
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

1–2–3–1–4 · Ai1 di2 ka3 la1 ji4

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Read this spelling in Classical texts

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埃迪卡拉紀 · find source passages ↗ · 埃迪卡拉纪 · find source passages ↗

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

name

(geology) the Ediacaran period (part of the Neoproterozoic era, spanning from 635 to 541 million years ago)

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

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