hydrogen cyanide
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. [1913 Webster]

{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. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • Hydrogen cyanide — IUPAC name …   Wikipedia

  • hydrogen cyanide — n 1) a poisonous usu. gaseous compound HCN that has the odor of bitter almonds 2) HYDROCYANIC ACID * * * an extremely poisonous colorless liquid or gas, HCN, a decomposition product of various naturally occurring glycosides and a common cause of… …   Medical dictionary

  • hydrogen cyanide — a colorless poisonous gas, HCN, having a bitter almondlike odor: in aqueous solution it forms hydrocyanic acid. [1880 85] * * * ▪ chemical compound also called  formonitrile (HCN)        a highly volatile, colourless, and extremely poisonous… …   Universalium

  • hydrogen cyanide — cianido rūgštis statusas T sritis chemija formulė HCN atitikmenys: angl. hydrocyanic acid; hydrogen cyanide; Prussian acid rus. синильная кислота; цианистоводородная кислота; циановодород ryšiai: sinonimas – vandenilio cianidas …   Chemijos terminų aiškinamasis žodynas

  • hydrogen cyanide — noun Date: 1869 1. a poisonous usually gaseous compound HCN that has the odor of bitter almonds 2. hydrocyanic acid …   New Collegiate Dictionary

  • hydrogen cyanide — noun A colourless, very poisonous, volatile liquid, HCN, used in the production of dyes, plastics and fumigants; it dissolves in water to form hydrocyanic acid and reacts with bases to form cyanides, and with some …   Wiktionary

  • hydrogen cyanide — noun Chemistry a highly poisonous gas or volatile liquid with an odour of bitter almonds, made by the action of acids on cyanides. [HCN.] …   English new terms dictionary

  • hydrogen cyanide — hy′drogen cy′anide n. chem. a colorless poisonous gas, HCN, having a bitter almondlike odor: in aqueous solution it forms hydrocyanic acid …   From formal English to slang

  • hydrogen cyanide — /haɪdrədʒən ˈsaɪənaɪd/ (say huydruhjuhn suyuhnuyd) noun a highly poisonous, volatile gas, HCN, with an odour of bitter almonds …   Australian English dictionary

  • hydrogen cyanide — noun a highly poisonous gas or volatile liquid that smells like bitter almonds; becomes a gas at around 90 degree Fahrenheit and is most dangerous when inhaled; the anhydride of hydrocyanic acid; used in manufacturing • Hypernyms: ↑compound,… …   Useful english dictionary

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