Hadean


Ha·de·an

adjective \ˈhā-ˌdē-ən, hā-ˈdē-ən\

Definition of HADEAN

:  of, relating to, or being the aeon 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

Origin of HADEAN

Hades
First Known Use: 1984

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