(n) a cyanide compound that is prepared by the reaction of potassium cyanide with ferrous salts; commonly used by gardeners, Syn.yellow prussiate of potash
(n) a poisonous salt that forms dark purple crystals and is purple-red when dissolved in water; used as an oxidizing and bleaching agent and as a disinfectant and antiseptic, Syn.permanganate of potash
The Collaborative International Dictionary of English (GCIDE) v.0.53
n. [ Pot + ash. ] (Chem.) (a) The hydroxide of potassium hydrate, a hard white brittle substance, KOH, having strong caustic and alkaline properties; -- hence called also caustic potash. (b) The impure potassium carbonate obtained by leaching wood ashes, either as a strong solution (lye), or as a white crystalline (pearlash). [ 1913 Webster ]
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