Dilatometer
Pronunciation : Dil`a*tom"e*ter
Part of Speech : n.
Etymology : [Dilate + -meter.] (Physiol.)
Definition : Defn: An instrument for measuring the dilatation or expansion of a substance, especially of a fluid.
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