/ Dictionary / Index D de Broglie: Meaning and Definition of Find definitions for: de Bro•glie Pronunciation: (du brō-glē', brō'glē, broi Fr. du brô-glē'), [key] 1892–1987, French physicist: Nobel prize 1929. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. debris de Broglie equation Related Content Daily Word Quiz: censure Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language