/ Dictionary / Index C colorant: Meaning and Definition of Find definitions for: col•or•ant Pronunciation: (kul'ur-unt), [key] — n. something used as a coloring matter; pigment; dye. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Colorado tick fever coloration 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