Turonian
Pronunciation : Tu*ro"ni*an
Part of Speech : n.
Definition : Defn: One of the subdivisions into which the Upper Cretaceous formation of Europe is divided.
(Geol.)
Source : Webster's Unabridged Dictionary, 1913
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder