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
Hadean and Hadean aeon are semantically related. In some cases you can use "Hadean" instead a noun phrase "Hadean aeon".
Hadean
Hadean 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
Hadean aeon and Hadean are semantically related. You can use "Hadean aeon" instead a noun "Hadean".
Mutual synonyms
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Hadean and Hadean aeon. (2017). Retrieved 2026, August 01, from https://thesaurus.plus/related/hadean_aeon/hadean
Hadean aeon & Hadean. N.p., 2017. Web. 01 Aug. 2026. <https://thesaurus.plus/related/hadean_aeon/hadean>.
Hadean or Hadean aeon. 2017. Accessed August 01, 2026. https://thesaurus.plus/related/hadean_aeon/hadean.
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