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sodium tripolyphosphate

[ trahy-pol-ee-fos-feyt ]

noun

, Chemistry.
  1. a white powder, Na 5 P 3 O 1 0 , used as a water softener, sequestering agent, and food additive.


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Word History and Origins

Origin of sodium tripolyphosphate1

First recorded in 1940–45; tri- + poly- + phosphate

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