(organic chemistry) Any organophosphorus compound of general formula R₂(R^'O)P=O

plural of phosphinate

(inorganic chemistry, uncountable) A toxic gas, chemical formula PH₃. / (organic chemistry, countable) Any alkyl or aryl derivative of this compound, PR₃ (where at least one R is not H),

Of or pertaining to phosphinous acid or its derivatives.

Of or pertaining to phosphinic acid or its derivatives

plural of phosphine

Obsolete form of phosphine.

plural of phosphin

(chemistry) Any compound having the general formula R₃P=NH <=> R₃P⁺-N⁻H.

(chemistry) the acid H₂P(=O)OH, or any of its P-hydrocarbyl derivatives