哌 pài used in translation Origin Definitions Defs Strokes Stroke Words Sentences Sents 哌啶 pàidìng piperidine piperidine (chemistry)哌嗪 pàiqín piperazine piperazine (medicine) (loanword)哌替啶 pàitìdìng pethidine pethidine (aka meperidine or Demerol) Sources Frequency data MTSU Chinese text computingSUBTLEX-CH