English Dictionary

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 lifeplay

  Familiarity information: HADEAN EON used as a noun is very rare.


 Dictionary entry details 


HADEAN EON (noun)


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:

aeon; eon (the longest division of geological time)


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