Definitions from WordNet (Priscoan 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 priscoan eon
▸ Usage examples for priscoan eon

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

▸ Invented words related to priscoan eon