Potassium cyanide. (n.d.). In YourDictionary. Retrieved from https://www.yourdictionary.com/potassium-cyanide
(inorganic chemistry) The potassium salt of hydrocyanic acid, KCN; the colourless crystals are soluble in water, and it is extremely poisonous, and is used in electroplating, the extraction of gold and silver from their ores, and in photography.
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