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Definition of Eoarchean
1. Adjective. (geology) Of a geologic era within the Archaean eon from about 4600 to 3600 million years ago; the first single-celled life began at this time. ¹
2. Noun. (geology) The Eoarchean era. ¹
¹ Source: wiktionary.com
Lexicographical Neighbors of Eoarchean
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