English
Detailed Synonyms for Archean aeon in English
Archean aeon:
Archean aeon [the ~] noun
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the Archean aeon
– the time from 3,800 million years to 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life 1the Archean aeon; the Archean eon; the Archeozoic; the Archeozoic eon; the Archaeozoic; the Archaeozoic aeon; the Archean– the time from 3,800 million years to 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life 1