释义 |
cu·mene \ˈkyü(ˌ)mēn\ noun (-s) Etymology: International Scientific Vocabulary cum- + -ene; originally formed as French cumène : a colorless oily hydrocarbon (CH3)2CHC6H5 obtained by acid-catalyzed alkylation of benzene with propylene and used as an additive for high-octane motor fuel; isopropyl-benzene |