A colorless flammable liquid present in turpentine, juniper oil, and other natural extracts.
- ‘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.’
- ‘Among these compounds, pinene, camphene, ß-pinene, limonene, 1,8-cineole, camphor and 4-terpineol were most frequently represented.’
- ‘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.’
Late 19th century: from Latin pinus pine + -ene.