Hadean


Ha·de·an

adj \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

Browse

Next Word in the Dictionary: hadedah ibis
Previous Word in the Dictionary: hade (noun)
All Words Near: Hadean

Seen & Heard

What made you want to look up Hadean? Please tell us where you read or heard it (including the quote, if possible).

Test Your Vocabulary

Take Our 10-Question Quiz

Name That Thing

Take our visual vocab quiz

Test Your Knowledge »

True or False?

A quick quiz about stuff worth knowing

Take It Now »

Join Us on FB & Twitter

Get the Word of the Day and More

Facebook | Twitter

Get Our Free Apps

Voice Search, Favorites,
Word of the Day, and More

iPhone | iPad | Android | More