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单词 guanidine
释义

Definition of guanidine in English:

guanidine

noun ˈɡwɑːnɪdiːnˈɡwɑnəˌdin
mass nounChemistry
  • A strongly basic crystalline compound, used in organic synthesis.

    〔化〕胍(用于有机合成等)

    An imide derived from urea; chemical formula: HNC(NH₂)₂

    Example sentencesExamples
    • However, experience with guanidine and biguanides prompted the development of metformin.
    • Galega officinalis is rich in guanidine, the hypoglycemic component.
    • Although a molecule of guanidine contains only five hydrogen atoms, it can effectively store nine by extracting hydrogen from the water recovered from the exhaust.
    • When guanidine hydrochloride is present these complexes dissociate into smaller units.
    • RNA extraction was performed by the guanidine hydrochloride method.

Origin

Mid 19th century: from guano + -ide + -ine4.

Definition of guanidine in US English:

guanidine

nounˈɡwɑnəˌdinˈɡwänəˌdēn
Chemistry
  • A strongly basic crystalline compound, used in organic synthesis.

    〔化〕胍(用于有机合成等)

    An imide derived from urea; chemical formula: HNC(NH₂)₂

    Example sentencesExamples
    • Although a molecule of guanidine contains only five hydrogen atoms, it can effectively store nine by extracting hydrogen from the water recovered from the exhaust.
    • However, experience with guanidine and biguanides prompted the development of metformin.
    • When guanidine hydrochloride is present these complexes dissociate into smaller units.
    • RNA extraction was performed by the guanidine hydrochloride method.
    • Galega officinalis is rich in guanidine, the hypoglycemic component.

Origin

Mid 19th century: from guano + -ide + -ine.

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更新时间:2025/7/5 6:49:02