Tumultuation
Pronunciation : Tu*mul`tu*a"tion
Part of Speech : n.
Etymology : [L. tumultuatio.]
Definition : Defn: Irregular or disorderly movement; commotion; as, the tumultuation of the parts of a fluid. [Obs.] Boyle.
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