| 单词 | terpene |
| 释义 | Word Frequency terpene(ˈtɜːpiːn) noun 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 Derived forms terpenic (terˈpenic) adjective Word origin C19: terp- from obsolete terpentine turpentine + -ene |
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