| 释义 |
sulfoniumenUK
sul·fo·ni·um S0874500 (sŭl-fō′nē-əm)n. A univalent cation containing trivalent sulfur, such as H3S+. [sulf(o)- + (amm)onium.]sulfonium (sʌlˈfəʊnɪəm ) n the US preferred spelling of sulphoniumsul•fo•ni•um (sʌlˈfoʊ ni əm) n. the positively charged group H3S + , its salts, or their substitute products. [1890–95; sulf (ur) + -onium] |