glycerylWiktionary 原文英美构词拆解glycerglycerol词干yl-yl后缀-yl(organic chemistry) A univalent radical or functional group formed from a given molecule. Thus propyl from propane, benzyl from benzene, and so forth.词源说明From glycerol + -yl.释义名词noun1(organic chemistry) Either of the univalent, divalent or trivalent radicals derived from glycerol by removing hydrogen atoms from one, two or three hydroxyl groups同族词派生词 2