Definition of Hadean in English :
Define Hadean in English
Hadean meaning in English
Meaning of Hadean in English
Pronunciation of Hadean in English
Hadean pronunciation in English
Pronounce Hadean in Englishsee synonyms of hadean
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
of or relating to or characteristic of Hades or Tartarus
WordNet Lexical Database for English. Princeton University. 2010.
Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.
The American Heritage ® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.