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sodium metaphosphate

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Definition 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

— compare sodium hexametaphosphate
b : sodium phosphate glass

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“Sodium metaphosphate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sodium%20metaphosphate. Accessed 19 Jan. 2021.

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