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单词 Archean
释义

Archean

adjective

Ar·​che·​an är-ˈkē-ən How to pronounce Archean (audio)
variants or Archaean
1
: of, relating to, or being the earliest eon of geologic history or the corresponding system of rocks see Geologic Time Table
2
: precambrian
Archean noun

Word History

Etymology

Greek archaios

First Known Use

1872, in the meaning defined at sense 1

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更新时间:2025/1/12 3:14:31