/ Dictionary / Index M manganese bronze: Meaning and Definition of Find definitions for: man'ganese bronze' Pronunciation: [key] an alloy that is about 55 percent copper, 40 percent zinc, and up to 3.5 percent manganese. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. manganese manganese spar Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language