- a white, granular, water-soluble, poisonous powder, KCN, having a faint almondlike odor, used chiefly in metallurgy and photography.
Origin of potassium cyanide
First recorded in 1880–85
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- a white poisonous granular soluble solid substance used in photography and in extracting gold from its ores. Formula: KCN