phosphonium

noun phos·pho·ni·um \fäs-ˈfō-nē-əm\

Definition of PHOSPHONIUM

: a monovalent cation PH₄⁺ analogous to ammonium and derived from phosphine; also : an organic derivative of phosphonium (as (C₂H₅)₄P⁺)

New Latin

First Known Use: 1871

Medical Dictionary

noun phos·pho·ni·um \fäs-ˈfō-nē-əm\

: a monovalent cation PH₄⁺ analogous to ammonium and derived from phosphine; also : an organic derivative of phosphonium (as (C₂H₅)₄P⁺)

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