HyperDic: archean_eon

English > 1 sense of the expression Archean eon:
NOUNtimeArchean eon, Archean, Archean aeon, Archeozoic, Archaeozoic, Archeozoic eon, Archaeozoic aeonthe time from 3,800 million years to 2,500 million years ago
English > Archean eon: 1 sense > noun 1, time
MeaningThe time from 3,800 million years to 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life.
SynonymsArchean, Archean aeon, Archeozoic, Archaeozoic, Archeozoic eon, Archaeozoic aeon
Instance ofeon, aeonThe longest division of geological time
Part ofPrecambrian, Precambrian eon, Precambrian aeon, Precambrian periodThe eon following the Hadean time and preceding the Phanerozoic eon
Spanisharcaico
Catalanarqueà

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