/ Dictionary / Index G glow lamp: Meaning and Definition of Find definitions for: glow' lamp" Pronunciation: [key] — Electronics. Electronics. a vacuum tube containing a gas that is ionized by the electrons, giving a visible glow. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. glowing glow plug 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