English dictionary
priscoan meaning and definition
Definition and meaning of priscoan at MeaningMonkey.org. priscoan meaning and definition in the English Dictionary.PRISCOAN noun
Definition of Priscoan (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
- synonyms: Hadean, Hadean aeon, Hadean eon, Hadean time, Priscoan aeon, Priscoan eon
Source: Princeton University Wordnet