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Adjective: archeozoic
  1. (geology) of or belonging to earlier of two divisions of the Precambrian era
    "archeozoic life forms";
    - archaeozoic
Noun: Archeozoic  ,aa(r)-kee-u'zow-ik
  1. The time from 3,800 million years to 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life
    - Archean [US], Archean eon, Archean aeon, Archaeozoic, Archeozoic eon, Archaeozoic aeon, Archaean

See also: early

Type of: aeon, eon

Part of: Precambrian, Precambrian aeon, Precambrian eon, Precambrian period

Encyclopedia: Archeozoic