ethylidene

核心释义

1. 1.

   diethyl ether[化]乙缩醛

   An unsymmetrical, divalent, hydrocarbon radical, C2H4；metameric with ethylene but written thus, CH3.CH to distinguish it from；the symmetrical ethylene, CH2.CH2. Its compounds are derived from；aldehyde. Formerly called also ethidene.