Hadean

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English[edit]

Etymology[edit]

Hades +‎ -an, from Ancient Greek ᾍδης (Hāídēs)

Adjective[edit]

Hadean (not comparable)

  1. Pertaining to Hades or hell.
    • 1902, Frederic Crowninshield, A Painter's Moods, page 49:
      No Ceres weeps at the Hadean gate!
  2. (geology) Of, or relating to the geologic eon from about 4,600 to 3,800 million years ago; marked by the formation of the solar system, a stable Earth-Moon orbit and the first rocks.

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Proper noun[edit]

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Wikipedia

Hadean

  1. (geology) The eon before 4,000 Ma.

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