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3 definitions found

From: Webster's Revised Unabridged Dictionary (1913)

 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.
 

From: Webster's Revised Unabridged Dictionary (1913)

 Fer·ro·cy·a·nide n.  Chem. One of a series of complex double cyanides of ferrous iron and some other base.
 Potassium ferrocyanide Chem., yellow prussiate of potash; a tough, yellow, crystalline salt, K4(CN)6Fe, the starting point in the manufacture of almost all cyanogen compounds, and the basis of the ferric ferrocyanate, prussian blue. It is obtained by strongly heating together potash, scrap iron, and animal matter containing nitrogen, as horn, leather, blood, etc., in iron pots.
 

From: WordNet (r) 2.0

 potassium ferrocyanide
      n : a cyanide comound that is prepared by the reaction of
          potassium cyanide with ferrous salts; commonly used by
          gardeners [syn: yellow prussiate of potash]