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

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• 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

1. (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)