| 单词 | piperazine |
| 释义 | piperazine /pi per"euh zeen', -zin, puy-, pip"euhr euh-/, n. Chem. 1. Also called piperazidine /pip'euh raz"i deen', -din, puy'peuh-/. a colorless, crystalline, deliquescent ring compound, C4H10N2, prepared by the reaction of ethylene bromide or ethylene chloride with ammonia: used chiefly in veterinary medicine as an anthelmintic, and as an insecticide. 2. any derivative of this compound. [1885-90; < L piper PEPPER + -AZINE] |
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