hadean aeon is a noun meaning "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". It carries one recorded sense.
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
Definitions, synonyms and semantic relations for hadean aeon come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.