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单词 cyanogen
释义

Definition of cyanogen in English:

cyanogen

noun sʌɪˈanədʒ(ə)nsaɪˈænədʒən
mass nounChemistry
  • A colourless flammable highly poisonous gas made by oxidizing hydrogen cyanide.

    Chemical formula: C₂N₂

    Example sentencesExamples
    • Years earlier scientists had detected cyanogen, a poisonous gas, in the tail of a comet.
    • The spectra that are observed indicate that small molecules, such as cyanide, methane, and cyanogen, can assemble in outer space.
    • Cytosine can be formed by reacting cyanoacetylene with cyanate, cyanogen or urea, and uracil can be produced by the hydrolysis of cytosine.
    • Sodium nitroprusside is metabolized into cyanogen, which is converted into thiocyanate by the enzyme thiosulfate sulfurtransferase.
    • The roots of the cassava plant contain linamarin, a cyanogen which produces the poisonous chemical cyanide when eaten.

Origin

Early 19th century: from French cyanogène, from Greek kuanos 'dark blue mineral' + -gène (see -gen), so named because it is a constituent of Prussian blue.

Definition of cyanogen in US English:

cyanogen

nounsaɪˈænədʒənsīˈanəjən
Chemistry
  • A colorless, flammable, highly poisonous gas made by oxidizing hydrogen cyanide. One of the pseudohalogens, cyanogen is an intermediate in fertilizer manufacture.

    〔化〕氰

    Chemical formula: C₂N₂

    Example sentencesExamples
    • Sodium nitroprusside is metabolized into cyanogen, which is converted into thiocyanate by the enzyme thiosulfate sulfurtransferase.
    • Cytosine can be formed by reacting cyanoacetylene with cyanate, cyanogen or urea, and uracil can be produced by the hydrolysis of cytosine.
    • Years earlier scientists had detected cyanogen, a poisonous gas, in the tail of a comet.
    • The roots of the cassava plant contain linamarin, a cyanogen which produces the poisonous chemical cyanide when eaten.
    • The spectra that are observed indicate that small molecules, such as cyanide, methane, and cyanogen, can assemble in outer space.

Origin

Early 19th century: from French cyanogène, from Greek kuanos ‘dark blue mineral’ + -gène (see -gen), so named because it is a constituent of Prussian blue.

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更新时间:2024/12/27 0:50:01