hadean

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  • March 24. 2016 from wordnet.princeton.edu

    Hadean adjective english

    of or relating to or characteristic of Hades or Tartarus

  • February 24. 2014 from wordnet.princeton.edu

    hadean noun english

    the earliest eon in the history of the Earth from the first accretion of planetary material (around 4,600 million years ago) until the date of the oldest known rocks (about 3,800 million years ago); no evidence of life