piperazine piperazin • piper betel · · · Info · Definitions · Characters · · piperazine · · Text Latin · · Script 10 · · Length 4 · · Syllables Definitions · · · (noun) vermifuge used to treat infestations by roundworms or pinworms. · · Noun Definition 1 Characters · · a latin small letter a U+0061 e latin small letter e U+0065 i latin small letter i U+0069 n latin small letter n U+006E p latin small letter p U+0070 r latin small letter r U+0072 z latin small letter z U+007A