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Hadean

   Also found in: Encyclopedia, Wikipedia, Hutchinson 0.04 sec.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.Hadean - 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 aeon, Hadean eon, Hadean time, Priscoan, Priscoan aeon, Priscoan eon
Adj.1.Hadean - of or relating to or characteristic of Hades or Tartarus
Plutonian, Tartarean
infernal - being of the underworld; "infernal regions"


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The earliest evidence of stable continents and oceans and records thought to implicate primitive life seems to point to the late Hadean (the Dark Ages)--early Precambrian era, about 4 billion years ago.
Paleoecotoxicology: the impact of chemical and physical stress in the ... by Herkovits, Jorge / Environmental Health Perspectives
His collection of poetry, Hadean Eclogues (Consortium), and his book, Shakespeare's Twenty-First-Century Economics: The Morality of Love and Money (Oxford University Press), both appeared this year.
FUTURE SHOCKS by Tierney, John / Reason
His sculptures are like hadean ghosts, mnemonic traces of a world of art that no longer exists.
Cy Twombly: Gagosian Gallery by Kuspit, Donald / Artforum International
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