a colorless, mobile, volatile fluid, HCN, having a characteristic peach-blossom odor. It is perhaps one of the most deadly poisons. It's produced by the action of sulphuric acid on yellowish prussiate of potassium (potassium ferrocyanide), and chemically resembles hydrochloric and hydrobromic acids. Called in addition prussic acid, hydrogen cyanide, etc.
Definition for "hydrocyanic acid"
An aqueous solution of hydrogen cyanide. Also known…