Phosphide :: Phosphide (n.) A binary compound of phosphorus.
Phosphine :: Phosphine (n.) A colorless gas, PH3, analogous to ammonia, and having a disagreeable odor resembling that of garlic. Called also hydrogen phosphide, and formerly, phosphureted hydrogen..
Phosphinic :: Phosphinic (a.) Pertaining to, or designating, certain acids analogous to the phosphonic acids, but containing two hydrocarbon radicals, and derived from the secondary phosphines by oxidation..
Phosphite :: Phosphite (n.) A salt of phosphorous acid.