sodium cyanide
noun Chemistry.
a white, crystalline, deliquescent, water-soluble, poisonous powder, NaCN, prepared by heating sodium amide with charcoal: used chiefly in casehardening alloys, in the leaching and flotation of ore, and in electroplating.
Origin of sodium cyanide
First recorded in 1880–85
Words nearby sodium cyanide
British Dictionary definitions for sodium cyanide
sodium cyanide
noun
a white odourless crystalline soluble poisonous compound with an odour of hydrogen cyanide when damp. It is used for extracting gold and silver from their ores and for case-hardening steel. Formula: NaCN