/ Dictionary / Index M monometallism: Meaning and Definition of Find definitions for: mon•o•met•al•lism Pronunciation: (mon"u-met'l-iz"um), [key] — n. the use of one metal only, as gold or silver, as a monetary standard. the doctrine or actions supporting such a standard. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. monometallic monometer Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language