ethyl乙基學術名詞乙基:有機化合物、紡織科技、礦冶工程、醫學、獸醫學、植物學乙烷基:醫學、植物學乙〔烷〕基:植物學英文釋義the univalent hydrocarbon radical C2H5 derived from ethane by the removal of one hydrogen atom