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1. Oxford American Dictionary

   piperidine

   • IPA[pəˈperəˌdēn]

   美式

   • n.
     a peppery-smelling liquid formed by the reduction of pyridine.

   • noun: piperidine

2. • 更多解釋

   piperidine

   • IPA[pɪˈpɛrɪdiːn]

   英式

   • n.
     a peppery-smelling liquid formed by the reduction of pyridine.

   Oxford Dictionary