释义 |
retene \ˈrēˌtēn, ˈreˌ-\ noun (-s) Etymology: Greek rhētinē resin : a crystalline hydrocarbon C18H18 isolated especially from pine tar, rosin oil, and various fossil resins but usually prepared from abietic acid and related compounds by dehydrogenation; 1-methyl-7-isopropyl-phenanthrene |