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Definition of Polyphosphoric acid
1. Noun. A series of oxyacids of phosphorus.
Specialized synonyms: Metaphosphoric Acid, Pyrophosphoric Acid
Generic synonyms: Oxyacid, Oxygen Acid
Generic synonyms: Oxyacid, Oxygen Acid
Definition of Polyphosphoric acid
1. Noun. (chemistry) Any of several ill-defined polymers of orthophosphoric acid; they are viscous, hygroscopic liquids ¹
¹ Source: wiktionary.com