oniumWiktionary 原文onium1词源 1英美/ˈoʊniəm/词源链新拉丁语New Latin约 1500 年后ammōnium↓ 借入英语Englishonium词源说明From ammonium.释义名词noun1(chemistry) Any cation derived by the addition of a proton to the hydride of any element of the nitrogen, chalcogen or halogen families.2(chemistry) Any organiconium2词源 2英美/ˈɒniəm/词源说明See Wikipedia at muonium § Nomenclature.释义名词noun1(physics) The bound pair of a particle and its antiparticle.同族词派生词