/ Dictionary / Index M microprocessor: Meaning and Definition of Find definitions for: mi•cro•proc•es•sor Pronunciation: (mī'krō-pros"es-ur, -u-sur esp. Brit. -prō"ses-ur, -su-sur), [key] — n. an integrated computer circuit that performs all the functions of a CPU. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: microprocessor (Thesaurus) microprobe microprogram Related Content Daily Word Quiz: philtrum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language