/ Dictionary / Index D dot matrix: Meaning and Definition of Find definitions for: dot' ma'trix Pronunciation: [key] — Computers. Computers. a method of forming characters and graphics, used by CRTs and other screens, some printers and some plotters, by creating the desired pattern using dots from a dense matrix. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. doting dot product Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language