/ Dictionary / Index B binary code: Meaning and Definition of Find definitions for: bi'nary code' Pronunciation: [key] — Computers. Computers. a system of representing letters, numbers, or other characters, using binary notation. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. binary cell binary-coded decimal system Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language