/ Dictionary / Index P potassium ferricyanide: Meaning and Definition of Find definitions for: potas'sium ferricy'anide Pronunciation: [key] — Chem. Chem. a bright-red, crystalline, water-soluble, poisonous solid, KFe(CN), used chiefly in the manufacture of pigments, as Prussian blue, and of paper, esp. blueprint paper. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. potassium diphosphate potassium ferrocyanide 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