/ Dictionary / Index G Gaussian image: Meaning and Definition of Find definitions for: Gauss'ian im'age Pronunciation: [key] — Optics. Optics. the point in an optical system with spherical aberration at which the paraxial rays meet. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Gaussian distribution Gaussian integer Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language