Word Study
[2x]
: Pâ Pæ Pè Pé Pœ P- P. P/ P< Pa Pb Pc Pd Pe Pf Ph Pi Pj Pk Pl Pm Pn Po Pp Pr Ps Pt Pu Pv Pw Px Py
phosphonium
CIDE DICTIONARY
phosphonium, n. [Phosphorus + ammonium.].
The hypothetical radical PH4 , analogous to ammonium, and regarded as the nucleus of certain derivatives of phosphine. [1913 Webster]
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