/ Dictionary / Index M management information system: Meaning and Definition of Find definitions for: man'agement informa'tion sys"tem Pronunciation: [key] a computerized information-processing system designed to support the activities and functions of company management. Abbr.: MIS Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. management manager Related Content Daily Word Quiz: sequester Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language