Dictionary

hydrocyanic acid

noun hy·dro·cy·an·ic acid \ˌhī-drō-sī-ˈa-nik-\

Definition of HYDROCYANIC ACID

:  an aqueous solution of hydrogen cyanide HCN that is a poisonous weak acid and is used chiefly in fumigating and in organic synthesis
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Origin of HYDROCYANIC ACID

International Scientific Vocabulary
First Known Use: 1816
Medical Dictionary

hydrocyanic acid

noun hy·dro·cy·an·ic acid \ˌhī-drō-sī-ˌan-ik-\

Medical Definition of HYDROCYANIC ACID

:  an aqueous solution of hydrogen cyanide HCN that is an extremely poisonous weak acid used especially in fumigating—called also prussic acid

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