pyridium pyridinize • pyridone · · · Info · Definitions · Synonyms · Characters · · pyridium · · Text Latin · · Script 8 · · Length 4 · · Syllables Definitions · · · (noun) analgesic (trade name Pyridium) used to treat urinary tract infections. Synonyms: phenazopyridine, Pyridium. · · Noun Definition 1 Synonyms · · · phenazopyridine · · Synonym 1 Characters · · d latin small letter d U+0064 i latin small letter i U+0069 m latin small letter m U+006D p latin small letter p U+0070 r latin small letter r U+0072 u latin small letter u U+0075 y latin small letter y U+0079