Kurrol's salt

noun

Kur·​rol's salt

ˈkər|əlz-,

ˈku̇r|

: an insoluble sodium metaphosphate or potassium metaphosphate

especially : a fibrous crystalline sodium metaphosphate NaPO₃ IV formed by seeding a melt at 550° C

Word History

Etymology

perhaps from the name Kurrol

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