Definition of Archean aeon

1. 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.


Lexicographical Neighbors of Archean Aeon

Arcanobacterium
Arcanobacterium haemolyticum
Arcellidae
Arceuthobium
Arceuthobium pusillum
Archaean
Archaebacteria
Archaeopteryx lithographica
Archaeornithes
Archaeozoic
Archaeozoic aeon
Archaic Latin
Archangel
Archea
Archean
Archean aeon (current term)
Archean eon
Archebacteria
Archenemy
Archeozoic
Archeozoic eon
Archer
Arches
Arches National Park
Archgrounds
Archi
Archibald
Archibald MacLeish
Archibald Percival Wavell
Archidiskidon

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