/ Dictionary / Index C chromic oxide: Meaning and Definition of Find definitions for: chro'mic ox'ide Pronunciation: [key] a bright-green crystalline powder, CrO, insoluble in water: used in metallurgy and as the pigment chrome green. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. chromic fluoride chrominance Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language