ferricyanide

Fer`ri*cy"a*nide (; 104), n. Etym: [Ferri- + cyanide.] (Chem.) Defn: One of a complex series of double cyanides of ferric iron and some other base. Potassium ferricyanide (Chem.), red prussiate of potash; a dark, red, crystalline salt, K6(CN)12Fe2, consisting of the double cyanide of potassium and ferric iron. From it is derived the ferrous ferricyanate, Turnbull's blue.

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