Definition of hydrogen cyanide in English:

hydrogen cyanide

Syllabification: hy·dro·gen cy·a·nide

noun

Chemistry
A highly poisonous gas or volatile liquid with an odor of bitter almonds, made by the action of acids on cyanides.
  • Chemical formula: HCN
More example sentences
  • Added to this would have been chemical consequences, the generation of poisonous hydrogen cyanide and nitrous oxide in the atmosphere.
  • Tobacco contains over 4000 dangerous chemicals in the form of particles and gasses, particularly tar, nicotine, benzene, carbon monoxide, hydrogen cyanide and formaldehyde.
  • In a fire, carbon monoxide, hydrogen cyanide, ammonia and hundreds of other chemicals can poison you and attack your eyes, nose, throat and lungs.

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Pronunciation: ˈflipənt
adjective
not showing a serious or respectful attitude