Hydrocyanic-acid definition

hīdrō-sī-ănĭk
The definition of hydrocyanic acid is a colorless, very poisonous liquid with the smell of bitter almonds.

An example of hydrocyanic acid is cyanide.

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An aqueous solution of hydrogen cyanide.
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A weak, highly poisonous acid, HCN, that is a colorless liquid with the odor of bitter almonds: it is used as a fumigant, as a poison gas, in metallurgy, etc.
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An aqueous solution of hydrogen cyanide, having a characteristic smell of bitter almonds.
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(chemistry) A solution of hydrogen cyanide, HCN, in water; a weak poisonous acid, used as a fumigant.
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Other Word Forms

Noun

Singular:
hydrocyanic-acid
Plural:
hydrocyanic acids

Hydrocyanic-acid Sentence Examples

  • Ustilago, and filling a greenhouse with hydrocyanic acid gas when young insects are commencing their ravages, e.g.

  • Carbolic acid is distinguished from all other acids so-called - except oxalic acid and hydrocyanic acid - in that it is a neurotic poison, having a marked action directly upon the nervous system.

  • This compound combines with hydrocyanic acid to form a nitrile which hydrolyses to dichlorhydroxy iso-butyric acid.

  • Glucoseoxime on warming with acetic anhydride is simultaneously acetylated and dehydrated, yielding an acetylated gluconitrile, which when warmed with ammoniacal silver nitrate loses hydrocyanic acid and is transformed into an acetyl pentose.

  • The aldehyde group reacts with hydrocyanic acid to produce two stereo-isomeric cyanhydrins; this isomerism is due to the conversion of an originally non-asymmetric carbon atom into an asymmetric one.

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