| 释义 | retene
 re·teneR0191000 (rē′tēn′, rĕt′ēn′)n. A crystalline phenanthrene derivative, C18H18, derived from pine tar, fossil resins, and tar oils.[From Greek rhētīnē, resin.]
 retene(ˈriːtiːn; ˈrɛt-) n (Elements & Compounds) a yellow crystalline hydrocarbon found in tar oils from pine wood and in certain fossil resins. Formula: C18H18[C19: from Greek rhētinē resin]re•tene(ˈri tin, ˈrɛt in)
 n.   a crystalline hydrocarbon, C18H18, derived from pine tar and other resins, and used in organic synthesis.  [1865–70; < Greek rhēt(inē) resin + -ene]
 
 retene
 retene[′rē‚tēn]  (organic chemistry) C18H18 A cyclic hydrocarbon, melting at 100.5-101°C, soluble in benzene and hot ethanol; used in organic syntheses. |