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SOWPODS/CSW (Scrabble UK / ALL)

Meaning of archean

1 definition found

From WordNet (r) 3.0 (2006) [wn]:

  archean
      adj 1: of or relating to the earliest known rocks formed during
             the Precambrian Eon [syn: {archean}, {archaean}]
      n 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 [syn: {Archean}, {Archean eon},
           {Archean aeon}, {Archeozoic}, {Archaeozoic}, {Archeozoic
           eon}, {Archaeozoic aeon}]

Source : WordNet ® Princeton University. 2010.

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