/ Dictionary / Index D discharge lamp: Meaning and Definition of Find definitions for: dis'charge lamp" Pronunciation: [key] a lamp in which light is produced by an electric discharge in a gas-filled glass enclosure. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. dischargee discharge printing Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language