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.
More example sentences
- Scale can be controlled chemically using substances such as polyphosphates, phosphonates and various polymers.
- When some waters are heated, the raised temperature will reduce the effectiveness of the polyphosphate so that oxidized iron will accumulate in the water heater.
- Ramsay of Carluke's award-winning Ayrshire bacon has 0% water content, unlike those that are pumped full of polyphosphates to help the bacon retain water.