Prus·si·ate n. Chem. A salt of prussic acid; a cyanide.
Red prussiate of potash. See Potassium ferricyanide, under Ferricyanide.
Yellow prussiate of potash. See Potassium ferrocyanide, under Ferrocyanide.
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yellow prussiate of potash
n : a cyanide comound that is prepared by the reaction of
potassium cyanide with ferrous salts; commonly used by
gardeners [syn: potassium ferrocyanide]