Priscoan_aeonWordNet Explorer
Explore synonyms, antonyms, hypernyms, hyponyms, and semantic relationships for “Priscoan_aeon” powered by Princeton WordNet.
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