/ Dictionary / Index P potassium ferrocyanide: Meaning and Definition of Find definitions for: potas'sium ferrocy'anide Pronunciation: [key] — Chem. Chem. a lemon-yellow, crystalline, water-soluble solid, KFe(CN)&multiplydot;3HO, used chiefly in casehardening alloys having an iron base and in dyeing wool and silk. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. potassium ferricyanide potassium fluoride Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language