hydrogen cyanide definition

  • noun:
    • A colorless, volatile, acutely toxic combustible fluid, HCN, miscible in water and utilized in the manufacture of dyes, fumigants, and plastics. It becomes a gas at 26°C.
    • A colourless, extremely toxic, volatile fluid, HCN, used in producing dyes, plastic materials and fumigants; it dissolves in liquid to form hydrocyanic acid and reacts with basics to form cyanides, with some organic substances to form nitriles.
    • a highly poisonous gas or volatile fluid that has the scent of sour almonds; becomes a gas at around 90 level Fahrenheit and is many dangerous when inhaled; the anhydride of hydrocyanic acid; used in production

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