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hcn |
1 definition found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Hydrocyanic \Hy`dro*cy*an"ic\, a. [Hydro-, 2 + anic: cf F. hydrocyanique.] (Chem.) Pertaining to or derived from the combination of hydrogen and cyanogen. {Hydrocyanic acid} (Chem.), a colorless, mobile, volatile liquid, {HCN}, having a characteristic peach-blossom odor. It is one of the most deadly poisons. It is made by the action of sulphuric acid on yellow prussiate of potassium (potassium ferrocyanide), and chemically resembles hydrochloric and hydrobromic acids. Called also {prussic acid}, {hydrogen cyanide}, etc
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