sodium tripolyphosphate
noun
sodium tri·poly·phos·phate
| \ -ˌtrī-ˌpä-li-ˈfäs-ˌfāt
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Definition of sodium tripolyphosphate
: a crystalline salt Na5P3O10 that is used as a food additive and as a component in some detergents and is suspected of contributing to water pollution
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