/ Dictionary / Index M multiplier: Meaning and Definition of Find definitions for: mul•ti•pli•er Pronunciation: (mul'tu-plī"ur), [key] — n. a person or thing that multiplies. a number by which another is multiplied. a device for intensifying some effect. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: multiplier (Thesaurus) multiplicity multi-ply 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