Meaning of Archaean | Babel Free
/ɑːˈkiːən/Definitions
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Of or relating to Arche, the Muse of beginnings in Greek mythology. not-comparable
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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
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Of or relating to the irregular Jovian moon named for Arche. not-comparable
Examples
“The oldest vestiges of continental crust, which date from the Archaean aeon about 4 billion years ago, are in Acasta in north-west Canada.”
CEFR level
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.