/ Dictionary / Index C circular polarization: Meaning and Definition of Find definitions for: cir'cular polariza'tion Pronunciation: [key] — Optics. Optics. polarization in which the vector representing the instantaneous intensity of the electromagnetic field describes a circular helix in the direction of propagation. Cf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. circular pitch circular sailing Related Content Daily Word Quiz: wary Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language