/ Dictionary / Index P polarimeter: Meaning and Definition of Find definitions for: po•lar•im•e•ter Pronunciation: (pō"lu-rim'i-tur), [key] — n. Optics. an instrument for measuring the amount of light received from a given source as a function of its state of polarization. a form of polariscope for measuring the angular rotation of the plane of polarization. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: polarimeter (Thesaurus) Polari Polaris Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language