元古宙

Chinese

		primeval past	eon
simp. and trad. (元古宙)		元古	宙

Pronunciation

Mandarin
(Pinyin): Yuángǔ Zhòu

(Zhuyin): ㄩㄢˊ ㄍㄨˇ ㄓㄡˋ
Cantonese (Jyutping): jyun⁴ gu² zau⁶

Mandarin
- (Standard Chinese)⁺
  - Hanyu Pinyin: Yuángǔ Zhòu
  - Zhuyin: ㄩㄢˊ ㄍㄨˇ ㄓㄡˋ
  - Tongyong Pinyin: Yuángǔ Jhòu
  - Wade–Giles: Yüan²-ku³ Chou⁴
  - Yale: Ywán-gǔ Jòu
  - Gwoyeu Romatzyh: Yuanguu Jow
  - Palladius: Юаньгу Чжоу (Juanʹgu Čžou)
  - Sinological IPA ^(key): /ɥɛn³⁵ ku²¹⁴⁻²¹ ʈ͡ʂoʊ̯⁵¹/
Cantonese
- (Standard Cantonese, Guangzhou–Hong Kong)⁺
  - Jyutping: jyun⁴ gu² zau⁶
  - Yale: yùhn gú jauh
  - Cantonese Pinyin: jyn⁴ gu² dzau⁶
  - Guangdong Romanization: yun⁴ gu² zeo⁶
  - Sinological IPA ^(key): /jyːn²¹ kuː³⁵ t͡sɐu̯²²/

Proper noun

元古宙

(geology) the Proterozoic eon (part of the Precambrian supereon, spanning from 2.5 billion to 541 million years ago)

See also

古元古代 (Gǔyuángǔ Dài)
中元古代 (Zhōngyuángǔ Dài)
新元古代 (Xīnyuángǔ Dài)
太古宙 (Tàigǔ Zhòu)
顯生宙／显生宙 (Xiǎnshēng Zhòu)

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