hydrogen cyanide(redirected from HCN)
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A colorless, volatile, extremely poisonous flammable liquid, HCN, miscible in water and used in the manufacture of dyes, fumigants, and plastics. It has an almondlike odor and becomes a gas at 26°C.
(Elements & Compounds) a colourless poisonous liquid with a faint odour of bitter almonds, usually made by a catalysed reaction between ammonia, oxygen, and methane. It forms prussic acid in aqueous solution and is used for making plastics and dyes and as a war gas. Formula: HCN. Also called: hydrocyanic acid
a colorless poisonous gas, HCN, having a bitter almondlike odor: in aqueous solution it forms hydrocyanic acid.
A colorless, flammable, extremely poisonous liquid, HCN. It is used to make dyes, poisons, and plastics. A solution of hydrogen cyanide in water forms a colorless acid that has a characteristic smell of bitter almonds.
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|Noun||1.||hydrogen cyanide - 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|