Orosirian

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English[edit]

English Wikipedia has an article on:
Wikipedia

Adjective[edit]

Orosirian (not comparable)

  1. (geology) Of a geologic period within the Paleoproterozoic era from about 2050 to 1800 million years ago.

Proper noun[edit]

Orosirian

  1. (geology) The Orosirian period.

Translations[edit]

See also[edit]

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