Definition of Priscoan in English:

Priscoan

Line breaks: Pris|coan
Pronunciation: /prɪˈskəʊən
 
, ˈprɪ-/

adjective

Geology
  • 1Relating to or denoting the aeon that (in some schemes) constitutes the earliest part of the Precambrian, preceding the Archaean aeon. It extended from the origin of the earth to about 4,000 million years ago, and has left no identifiable rocks.
  • 1.1 (as noun the Priscoan) The Priscoan aeon.

Origin

formed irregularly from Latin priscus 'ancient' + -an.

More definitions of Priscoan

Definition of Priscoan in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day mage
Pronunciation: meɪdʒ
noun
a magician or learned person