uranylWiktionary 原文英美构词拆解uranuranium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 uranium + -yl.释义名词noun1(chemistry) The divalent radical UO22+, conveniently regarded as a residue of many uranium compounds.同族词派生词 16arsenuranylite·heptauranyl·