/ Dictionary / Index C color filter: Meaning and Definition of Find definitions for: col'or fil"ter Pronunciation: [key] — Photog. Photog. a screen of dyed gelatin or glass for controlling or modifying the reproduction of the colors of the subject as photographed. Cf. filter (def. 5). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. colorfield color force Related Content Daily Word Quiz: lunar Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language