/ Dictionary / Index S subtractive process: Meaning and Definition of Find definitions for: subtrac'tive proc"ess Pronunciation: [key] a process of color photography in which the colors are formed by combination of cyan, yellow, and magenta lights. Cf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. subtractive color subtrahend Related Content Daily Word Quiz: fidelity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language