Hadean

adjective

Ha·​de·​an ˈhā-ˌdē-ən How to pronounce Hadean (audio)
hā-ˈdē-ən
: of, relating to, or being the eon of history between the formation of the solar system and the formation of the first rocks on the earth see Geologic Time Table
Hadean noun

Word History

Etymology

Hades

First Known Use

1984, in the meaning defined above

Time Traveler
The first known use of Hadean was in 1984

Dictionary Entries Near Hadean

Cite this Entry

“Hadean.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Hadean. Accessed 29 Jan. 2023.

Kids Definition

Hadean

adjective
Ha·​de·​an ˈhā-ˌdē-ən How to pronounce Hadean (audio)
hā-ˈdē-ən
: of, relating to, or being the part of the earth's history that came before the formation of the first rocks see geologic time
Hadean noun
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