释义 |
sodium metaphosphate noun 1. : any of several crystalline sodium salts NaPO3 or (NaPO3)n of a metaphosphoric acid: as a. : the water-soluble cyclic trimetaphosphate (NaPO3)3 or NaPO3 I b. : sodium Kurrol's salt NaPO3 IV 2. a. : 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 |