Definition of Archean
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(noun) the time from 3,800 million years to 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life
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(adjective satellite) of or relating to the earliest known rocks formed during the Precambrian Eon
Antonyms of Archean
No Antonyms Found.
Homophones of Archean
No Homophones Found.