Definition of Hadean eon

1. Noun. 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.

Exact synonyms: Hadean, Hadean Aeon, Hadean Time, Priscoan, Priscoan Aeon, Priscoan Eon
Generic synonyms: Aeon, Eon

Lexicographical Neighbors of Hadean Eon

Habronema muscae
Habs
Habsburg
Hachiman
Hackelia
Hackintosh
Hackintoshes
Hackney
Hacky-Sack
Hacky-Sacks
Had crime
Hadcock
Haddy
Hadean
Hadean aeon
Hadean eon (current term)
Hadean time
Hades
Hadgkiss
Hadhramauti
Hadhramautis
Hadramauti
Hadramautis
Hadrian
Hadrian's Wall
Hadrosauridae
Hadrurus
Hadza
Haeckel
Haeckel's gastrea theory

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