Definition of archean

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  • archean is a valid Scrabble US word with a point value of 12
  • archean is a valid Scrabble UK word with a point value of 12
  • archean is not a valid Words with friends word!

Definition of archean

  • of or relating to the earliest known rocks formed during the Precambrian Eon (adjective)

    Synonyms

    1. archaean
  • the time from 3,800 million years to 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life (noun)

    Synonyms

    1. archaeozoic
    2. archaeozoic aeon
    3. archean aeon
    4. archean eon
    5. archeozoic
    6. archeozoic eon

See definition of archean in Merriam Webster