Tonian

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English[edit]

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Etymology[edit]

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Adjective[edit]

Tonian ‎(not comparable)

  1. (geology) Of a geologic period within the Neoproterozoic era from about 1000 to 850 million years ago.

Proper noun[edit]

Tonian

  1. (geology) The Tonian period.

Translations[edit]

See also[edit]

Anagrams[edit]