| 释义 |
phos·pho·ni·um
\fäˈsfōnēəm\ noun
(-s)
Etymology: New Latin, from phosph- + -onium
: a univalent ion PH4+ or radical PH4 analogous to ammonium that is derived from phosphine and is known especially in the form of salts (as phosphonium iodide PH4I) and organic derivatives [as tetraphenyl-phosphonium iodide (C6H5)4PI] — compare quaternary ammonium compound |