Tonian

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English

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English Wikipedia has an article on:
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Etymology

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From Ancient Greek τόνος (tónos, “stretch”).

Adjective

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Tonian (not comparable)

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

Proper noun

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Tonian

  1. (geology) The Tonian period.

Translations

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See also

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Anagrams

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