冥古宙 [－－－]

Jyutping ming5 gu2 zau6
Pinyin míng gǔ zhòu

Definitions (Wiktionary)
  1. name
    the Hadean eon (part of the Precambrian supereon, spanning from around 4.6 to 4 billion years ago)
Examples (粵典–words.hk)
  1. Cantonese
    显生宙、元古宙、太古宙、冥古宙
    顯生宙、元古宙、太古宙、冥古宙
    • Phanerozoic, Proterozoic, Archean, Hadean