pyrophosphate pyrophorus noctiluca • pyrophosphoric · · · Info · Definitions · Characters · · pyrophosphate · · Text Latin · · Script 13 · · Length 4 · · Syllables Definitions · · · (noun) a salt or ester of pyrophosphoric acid. · · Noun Definition 1 Characters · · a latin small letter a U+0061 e latin small letter e U+0065 h latin small letter h U+0068 o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 y latin small letter y U+0079