单词	pinene
释义	pinene /ˈpʌɪniːn / noun [mass noun] Chemistry 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. 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. Origin Late 19th century: from Latin pinus 'pine' + -ene.
随便看	pyridoxamine pyridoxic acid pyridoxine pyridoxol pyridyl pyriform pyriform aperture pyriformed pyriformis pyriform muscle pyrimethamine pyrimidine pyrimidine base pyritaceous pyrite pyrites pyritic pyritiferous pyritified pyritisation pyritise pyritization pyritize pyritohedral pyritohedron

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