/ Dictionary / Index E elliptical light: Meaning and Definition of Find definitions for: ellip'tical light' Pronunciation: [key] — Optics. Optics. light that has been elliptically polarized. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. elliptical galaxy elliptically Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language