Definitions
There is 1 meaning of the phrase
Archean Eon.
Archean Eon - as a 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
Synonyms (Exact Relations)
archaeozoicarchaeozoic aeonarcheanarchean aeonarcheozoicarcheozoic eonWord Variations & Relations
A-Z Proximities
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Phrases
archean aeon