• Definition for "phosphonium"
    • A univalent radical, PH4, derived from phosphine.
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  • Sentence for "phosphonium"
    • When cotton sleepwear has been treated…
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  • Form for "phosphonium"

phosphonium definition

  • noun:
    • A univalent radical, PH4, derived from phosphine.
    • the tetravalent positively-charged phosphorus cation R4P+
    • The hypothetical radical PH4, analogous to ammonium, and considered the nucleus of particular derivatives of phosphine.
    • A hypothetical element, analogous to ammonium, created because of the union of four atoms of hydrogen and one of phosphorus (PH4).
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