Archaean

形容词 adj. 专有名词
中文释义
英 /ɑːˈkiːən/    美 /ɑɹˈkiːən/

英文释义

形容词 adj.
  1. Of or relating to Arche, the Muse of beginnings in Greek mythology. not-comparable
  2. Of, or relating to the geologic eon from about 4,031 to 2,500 million years ago; comprises the Eoarchean, Paleoarchean, Mesoarchean and Neoarchean eras; marked by an atmosphere with little oxygen, the formation of the first continents and oceans and the emergence of simple life. not-comparable
    — The oldest vestiges of continental crust, which date from the Archaean aeon about 4 billion years ago, are in Acasta in north-west Canada.
  3. Of or relating to the irregular Jovian moon named for Arche. not-comparable
专有名词
  1. The eon from 2,500 Ma to 4,000 Ma.

词形变化

Archean alternative Archæan alternative,archaic Archean alternative Archæan alternative,archaic

词源

词源 1
From Ancient Greek ἀρχαῖα (arkhaîa, “ancient”), neuter plural of ἀρχαῖος (arkhaîos, “ancient”).
词源 2
From Ancient Greek ἀρχαῖα (arkhaîa, “ancient”), neuter plural of ἀρχαῖος (arkhaîos, “ancient”).
0 次浏览 数据来源: Wiktionary