释义 |
WordReference Random House Unabridged Dictionary of American English © 2024pi•per•a•zine (pi per′ə zēn′, -zin, pī-, pip′ər ə-),USA pronunciation n. [Chem.]Also called pip•er•az•i•dine (pip′ə raz′i dēn′, -din, pī′pə-).USA pronunciation 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.- Chemistryany derivative of this compound.
- Latin piper pepper + -azine
- 1885–90
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