sodium metaphosphate
nounDefinition of sodium metaphosphate
1 : any of several crystalline sodium salts NaPO3 or (NaPO3)n of a metaphosphoric acid: such as
a : the water-soluble cyclic trimetaphosphate (NaPO3)3 or NaPO3 I
b : sodium Kurrol's salt NaPO3 IV
2a
: a water-soluble sodium phosphate glass having the composition of a sodium metaphosphate
— called also
sodium (1:1) phosphate
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