| 释义 |
WordReference Random House Unabridged Dictionary of American English © 2024ter•pene (tûr′pēn),USA pronunciation n. [Chem.]- Chemistry(originally) any of a class of monocyclic hydrocarbons of the formula C10H16, obtained from plants.
- Chemistrythis class or any of its oxygenated derivatives, any hydrocarbon from the same source having the formula C5H8 (hemiterpene,) the formula C10H16 with an aliphatic structure (acyclic terpene)or two-ringed structure (bicyclic terpene,) the formula C15H24 (sesquiterpene), etc., and any of their oxygenated derivatives.
- 1865–70; alteration of terebene, with p from turpentine
Collins Concise English Dictionary © HarperCollins Publishers:: terpene /ˈtɜːpiːn/ n - any one of a class of unsaturated hydrocarbons, such as the carotenes, that are found in the essential oils of many plants. Their molecules contain isoprene units and have the general formula (C5H8)n
Etymology: 19th Century: terp- from obsolete terpentine turpentine + -ene |