/ Dictionary / Index R rheometer: Meaning and Definition of Find definitions for: rhe•om•e•ter Pronunciation: (rē-om'i-tur), [key] — n. an instrument for measuring the flow of fluids, esp. blood. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: rheometer (Thesaurus) rheology rheopexy Related Content Daily Word Quiz: censure Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language