单词 | terpene |
释义 | terpene/ˈtəːpiːn /noun Chemistry Any of a large group of volatile unsaturated hydrocarbons found in the essential oils of plants, especially conifers and citrus trees. They are based on a cyclic molecule having the formula C10H16.Lactones, phenolic aldehydes (such as vanillin), terpenes (essential oils) and wood tannins are all by-products of oak, so it is understandable that too much can rob a white wine of its fruit and delicacy....
OriginLate 19th century: from German Terpentin 'turpentine' + -ene. |
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