/ Dictionary / Index M microcode: Meaning and Definition of Find definitions for: mi•cro•code Pronunciation: (mī'kru-kōd"), [key] — n. Computers. one or more microinstructions. the notation for writing microprograms on a given computer. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: microcode (Thesaurus) micrococcus microcomponent Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language