Synonyms of archean
- 1. Archean, Archean eon, Archean aeon, Archeozoic, Archaeozoic, Archeozoic eon, Archaeozoic aeon
- usage: 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. archean, archaean, early (vs. middle) (vs. late)
- usage: of or relating to the earliest known rocks formed during the Precambrian Eon
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Definition and meaning of archean (Dictionary)