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Tonian

From Wiktionary, the free dictionary

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English

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Etymology

From Ancient Greek τόνος (tónos, stretch).

Pronunciation

Adjective

Tonian (not comparable)

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

Proper noun

Tonian

  1. (geology) The Tonian period.

Translations

See also

Anagrams

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