/ Dictionary / Index C calcium permanganate: Meaning and Definition of Find definitions for: cal'cium perman'ganate Pronunciation: [key] a violet, crystalline, deliquescent solid, Ca(MnO)&multiplydot;4HO, used chiefly as a disinfectant and deodorizer. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. calcium oxychloride calcium phosphate Related Content Daily Word Quiz: simian Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language