/ Dictionary / Index P polarizing filter: Meaning and Definition of Find definitions for: po'larizing fil"ter Pronunciation: [key] — Photog. Photog. a camera lens filter used to control the plane of polarization of light entering the lens. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. polarizing angle polarizing microscope 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