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Definition of Paleoarchean
1. Adjective. (geology) Of a geologic era within the Archaean eon from about 3600 to 3200 million years ago; the first aerobic bacteria appeared at this time. ¹
2. Proper noun. (geology) The Paleoarchean era. ¹
¹ Source: wiktionary.com
Lexicographical Neighbors of Paleoarchean
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