| 单词 | coumarone |
| 释义 | coumarone (once / 3939771 pages) n WORD FAMILY coumarone n a colorless oily compound extracted from coal tar and used in manufacturing synthetic resins Syn|Hyper benzofuran, cumarone chemical compound, compound (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight |
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