太古代

Tàigǔdài
Archaeozoic (geological era before 2500m years ago)

CEDICT

  1. (geology) the Archean eon
  2. the Archean eon

Wiktionary

Entry Composition

1 太古 tàigǔ immemorial
2 代 dài
  1. to be a substitute for; to act on behalf of; to replace; to substitute
  2. generation; dynasty; age; period; (historical) era; (geological) eon

Containing this entry

始太古代 Shǐtàigǔ Dài
古太古代 Gǔtàigǔ Dài
中太古代 Zhōngtàigǔ Dài
新太古代 Xīntàigǔ Dài