释义 |
prehn·i·tene \-_nəˌtēn\ noun (-s) Etymology: International Scientific Vocabulary prehnitic (acid) + -ene : a liquid aromatic hydrocarbon C6H2(CH3)4 prepared with other hydrocarbons by methylation of mesitylene or pseudocumene by means of the Friedel-Crafts reaction; 1,2,3,4-tetramethyl-benzene |