propylthiouracil propyl radical • propyne · · · Info · Definitions · Characters · · propylthiouracil · · Text Latin · · Script 16 · · Length 6 · · Syllables Definitions · · · (noun) a crystalline compound used as an antithyroid drug in the treatment of goiter. · · Noun Definition 1 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 h latin small letter h U+0068 i latin small letter i U+0069 l latin small letter l U+006C o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 t latin small letter t U+0074 u latin small letter u U+0075 y latin small letter y U+0079