Definition of phosphonium in English:

phosphonium

Syllabification: phos·pho·ni·um
Pronunciation: /fäsˈfōnēəm
 
/

noun

Origin

late 19th century: blend of phosphorus and ammonium.

Definition of phosphonium in:

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Pronunciation: ˌ(h)yo͞oməˈresk
noun
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