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Noun: Priscoan
  1. 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
    - Hadean, Hadean time, Hadean eon, Hadean aeon, Priscoan eon, Priscoan aeon

Type of: aeon, eon

Encyclopedia: Priscoan

Nearest

Prionotus carolinus
prior
priorate
prioress
prioritise
prioritize
priority
priority processing
priorship
priory
Priscoan
Priscoan aeon
Priscoan eon
prise
prism
prism spectroscope
prismatic
prismatically
prismatoid
prismoid
prison