/ Dictionary / Index M manganiferous: Meaning and Definition of Find definitions for: man•ga•nif•er•ous Pronunciation: (mang"gu-nif'ur-us), [key] — adj. Mineral. containing manganese. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. manganic Manganin Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language