/ Dictionary / Index C chlorine dioxide: Meaning and Definition of Find definitions for: chlo'rine diox'ide Pronunciation: [key] an orange, water-soluble, unstable, extremely explosive gas, ClO, used chiefly as a bleaching agent for wood pulp, fats, oils, and flour. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. chlorine 36 chlorinity Related Content Daily Word Quiz: jaundice Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language