Definition of polyphosphate in English:

polyphosphate

Line breaks: poly|phos¦phate
Pronunciation: /ˌpɒlɪˈfɒsfeɪt/

Entry from British & World English dictionary

noun

Chemistry
A salt or ester of an oxyacid with two or more phosphorus atoms in its anion, especially any of a number used chiefly as detergents or food additives.

Definition of polyphosphate in:

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Word of the day animalcule
Pronunciation: ˌanəˈmalˌkyo͞ol
noun
a microscopic animal