/ Dictionary / Index P potentiometer: Meaning and Definition of Find definitions for: po•ten•ti•om•e•ter Pronunciation: (pu-ten"shē-om'i-tur), [key] — n. Elect. a device for measuring electromotive force or potential difference by comparison with a known voltage. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: potentiometer (Thesaurus) potentiate potentiometric titration Related Content Daily Word Quiz: fervor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language