Hadean eon

ha·dea·neon

uncommon

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

Related words

Broader terms

eon

WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.

Grammar

noun
singular	hadean eon
plural	hadean eons

Nearby words

hack writer hadal haddock Hadean Hadean aeon Hadean time Hades hadith hadj hadji

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