Archeozoic

3 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  archeozoic \archeozoic\ adj.
     1. 1 (Geol.) same as {archaeozoic}.
  
     Syn: archaeozoic
          [WordNet 1.5]



From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Archeozoic \Archeozoic\ n.
     1. 1 the time from 1.5 billion to 5 billion years ago, when
        the earth's crust was formed; the time when only
        unicellular organisms and the earliest forms of life are
        present. Same as {Archaeozoic}.
  
     Syn: Archaeozoic, Archeozoic era, Archaeozoic era
          [WordNet 1.5]

From WordNet (r) 2.0 [wn]:

  archeozoic
       adj : formed in the earlier of two divisions of the Precambrian
             era; "archeozoic life forms" [syn: {archaeozoic}]
       n : the time from 3,800 million years to 2,500 million years
           ago; earth's crust formed; unicellular organisms are
           earliest forms of life [syn: {Archean}, {Archean eon}, {Archean
           aeon}, {Archaeozoic}, {Archeozoic eon}, {Archaeozoic aeon}]