priscoan eon

What does priscoan eon mean?

priscoan eon means "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".

What is another word for priscoan eon?

Close synonyms include Hadean, Hadean time, Hadean eon, Hadean aeon, Priscoan. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is priscoan eon a common word?

priscoan eon is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.

Definitions, synonyms and semantic relations for priscoan eon come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.