“+...- noun
Etymology: polyphosphoric from poly- + phosphoric
: any of a series of condensed phosphoric acids (as pyrophosphoric acid) containing more than one atom of phosphorus
“+...- noun
Etymology: polyphosphoric from poly- + phosphoric
: any of a series of condensed phosphoric acids (as pyrophosphoric acid) containing more than one atom of phosphorus
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012