/ Dictionary / Index N neon lamp: Meaning and Definition of Find definitions for: ne'on lamp' Pronunciation: [key] a gas-discharge bulb containing two electrodes in neon gas and emitting a glow when a voltage is applied across the electrodes. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. neo-Nazi neon tetra Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language