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单词 pinene
释义

Definition of pinene in English:

pinene

noun ˈpʌɪniːnˈpīˌnēn
mass nounChemistry
  • A colourless flammable liquid present in turpentine, juniper oil, and other natural extracts.

    A bicyclic terpene; chemical formula: C₁₀H₁₆; four isomers, especially α-pinene, the main constituent of turpentine

    Example sentencesExamples
    • She tells us that the principal constituents of lavender are alcohols such as borneol, geraniol and linalool; esters such as geranyle and linalyl; and terpents such as pinene and limonene.
    • The most complex mixture of monoterpenes was found in seeds of Pacific silver fir in which limonene, myrcene, pinene, and ß-pinene were detected.
    • The powder was homogenized in 750 ml phosphate buffer containing pinene as an internal standard.
    • Among these compounds, pinene, camphene, ß-pinene, limonene, 1,8-cineole, camphor and 4-terpineol were most frequently represented.

Origin

Late 19th century: from Latin pinus 'pine' + -ene.

 
 

Definition of pinene in US English:

pinene

nounˈpīˌnēn
Chemistry
  • A colorless flammable liquid present in turpentine, juniper oil, and other natural extracts.

    A bicyclic terpene; chemical formula: C₁₀H₁₆; four isomers, especially α-pinene, the main constituent of turpentine

    Example sentencesExamples
    • She tells us that the principal constituents of lavender are alcohols such as borneol, geraniol and linalool; esters such as geranyle and linalyl; and terpents such as pinene and limonene.
    • The most complex mixture of monoterpenes was found in seeds of Pacific silver fir in which limonene, myrcene, pinene, and ß-pinene were detected.
    • The powder was homogenized in 750 ml phosphate buffer containing pinene as an internal standard.
    • Among these compounds, pinene, camphene, ß-pinene, limonene, 1,8-cineole, camphor and 4-terpineol were most frequently represented.

Origin

Late 19th century: from Latin pinus ‘pine’ + -ene.

 
 
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更新时间:2024/11/13 9:26:42