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Adjective: Hadean  'hey,dee-un
  1. Of or relating to or characteristic of Hades or Tartarus
    - Plutonian, Tartarean
Noun: Hadean  'hey,dee-un
  1. 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
    - Hadean time, Hadean eon, Hadean aeon, Priscoan, Priscoan eon, Priscoan aeon

See also: infernal

Type of: aeon, eon

Encyclopedia: Hadean

Nearest

hackneyed
hacksaw
hacktivist
hackwork
had best
had better
Had crime
hadal
haddock
hade
Hadean
Hadean aeon
Hadean eon
Hadean time
Hades
Hadith
hadith
hadj
hadji
hadn't
Hadrian