archean : Idioms & Phrases

Index

archean aeon

  • 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
    Archeozoic eon; Archean aeon; Archaeozoic aeon; Archaeozoic; Archean; Archeozoic.
WordNet

archean eon

  • 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
    Archeozoic eon; Archean aeon; Archaeozoic aeon; Archaeozoic; Archean; Archeozoic.
WordNet