/ Dictionary / Index C chlorophenol red: Meaning and Definition of Find definitions for: chlo'rophe'nol red' Pronunciation: [key] — Chem. Chem. an acid-base indicator, CHClOS, that changes color from yellow to red as the acidity of a solution decreases. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. chlorophenol chlorophenothane Related Content Daily Word Quiz: designate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language