Hadean aeon
Hadean aeon 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.
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Synonyms for Hadean aeon
Priscoan aeon and Hadean aeon are semantically related. In some cases you can use "Priscoan aeon" instead a noun phrase "Hadean aeon".
Priscoan aeon
Priscoan aeon 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.
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Synonyms for Priscoan aeon
Hadean aeon and Priscoan aeon are semantically related. You can use "Hadean aeon" instead a noun phrase "Priscoan aeon".
Mutual synonyms
Cite this Source
Priscoan aeon and Hadean aeon. (2017). Retrieved 2026, July 31, from https://thesaurus.plus/related/hadean_aeon/priscoan_aeon
Hadean aeon & Priscoan aeon. N.p., 2017. Web. 31 Jul. 2026. <https://thesaurus.plus/related/hadean_aeon/priscoan_aeon>.
Priscoan aeon or Hadean aeon. 2017. Accessed July 31, 2026. https://thesaurus.plus/related/hadean_aeon/priscoan_aeon.
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