/ Dictionary / Index M monometer: Meaning and Definition of Find definitions for: mo•nom•e•ter Pronunciation: (mu-nom'i-tur), [key] — n. Pros. a line of verse of one measure or foot. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. monometallism monomethylamine Related Content Daily Word Quiz: diligent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language