Webster's Revised Unabridged Dictionary · 1913

Turonian

Turonian , noun

(Geology) One of the subdivisions into which the Upper Cretaceous formation of Europe is divided.

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Text from the public-domain GNU Collaborative International Dictionary of English, derived from Webster's Revised Unabridged Dictionary (1913). Definitions marked with were added by later GCIDE contributors and are not in the original 1913 edition.

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