Definitions from WordNet (Hadean eon)

▸ noun:  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


▸ Words similar to hadean eon
▸ Usage examples for hadean eon

▸ Idioms related to hadean eon
▸ Wikipedia articles (New!)
▸ Words that often appear near hadean eon
▸ Rhymes of hadean eon

▸ Invented words related to hadean eon