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HADEAN EON
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Dictionary entry overview: What does Hadean eon mean?
• HADEAN EON (noun)
The noun HADEAN EON has 1 sense:
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
Familiarity information: HADEAN EON used as a noun is very rare.
Dictionary entry details
Sense 1
Meaning:
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
Classified under:
Nouns denoting time and temporal relations
Synonyms:
Hadean; Hadean aeon; Hadean eon; Hadean time; Priscoan; Priscoan aeon; Priscoan eon
Instance hypernyms:
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