/ Dictionary / Index M multiplicative group: Meaning and Definition of Find definitions for: mul'tiplicative group' Pronunciation: [key] a group in which the operation of the group is multiplication. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. multiplicative axiom multiplicative identity Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language