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Definition of Hadean time
1. 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.
Exact synonyms: Hadean, Hadean Aeon, Hadean Eon, Priscoan, Priscoan Aeon, Priscoan Eon
Generic synonyms: Aeon, Eon
Generic synonyms: Aeon, Eon
Definition of Hadean time
1. Proper noun. (geology) The geologic eon from about 4,600 to 3,800 million years ago; marked by the formation of the first rocks. ¹
¹ Source: wiktionary.com
Lexicographical Neighbors of Hadean Time
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