propenyl /prә'penil/ 📖 中文释义 丙烯基 📘 English Definition(英文释义) n. A hypothetical hydrocarbon radical, C3H5, isomeric withallyl and glyceryl, and regarded as the essential residue of glycerin.Cf. Allyl, and Glyceryl. ← propensity to save P 字母词表 propenyl alcohol →