/ Dictionary / Index T tungsten lamp: Meaning and Definition of Find definitions for: tung'sten lamp" Pronunciation: [key] an incandescent electric lamp in which the filament is made of tungsten. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tungsten tungsten rating Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language