phosphomolybdic acid
noun
phos·pho·mo·lyb·dic acid
| \ -mə-ˌlib-dik-
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Medical Definition of phosphomolybdic acid
: any of several acids obtainable from solutions of phosphoric acid and molybdic acid and used chiefly as precipitants (as for alkaloids)
especially
: the yellow crystalline acid H3PMo12O40·xH2O containing twelve atoms of molybdenum in a molecule