Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps


Noun: Priscoan eon
  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, Priscoan aeon

Type of: aeon, eon

Nearest

priorate
prioress
prioritise
prioritize
priority
priority processing
priorship
priory
Priscoan
Priscoan aeon
Priscoan eon
prise
prism
prism spectroscope
prismatic
prismatically
prismatoid
prismoid
prison
prison camp
prison cell