hadean

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Word: Hadean

Part of Speech: Adjective (also used as a noun)

Academic

Adjective

1. of or relating to or characteristic of Hades or Tartarus

Noun

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

Synonyms

• Hadean
• Plutonian
• Tartarean
• Hadean time
• Hadean eon
• Hadean aeon
• Priscoan
• Priscoan eon
• Priscoan aeon