冥古宙

Chinese

dark; deep ancient; old eon
simp. and trad.
(冥古宙) 		冥 古 宙

Pronunciation

Proper noun

冥古宙

  1. (geology) the Hadean eon (part of the Precambrian supereon, spanning from around 4.6 to 4 billion years ago)

See also

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