| 释义 | phosphonium
 phos·pho·ni·umP0258200 (fŏs-fō′nē-əm)n. A univalent cation, PH4+, derived from phosphine.[phosph(o)- + (amm)onium.]
 phosphonium(fɒsˈfəʊnɪəm) n (Chemistry) chem a derivative of phosphine, with the chemical formula PH4+phos•pho•ni•um(fɒsˈfoʊ ni əm)
 n.   the positively charged group PH4 + .  [1865–70; phosph (orus) + -onium]
 
 phosphonium
 phos·pho·ni·um(fos-fō'nē-ŭm), The radical, (PR4)+. |