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  1. alkaloid

    • IPA[ˈalkəˌloid]

    美式

    • n.
      any of a class of nitrogenous organic compounds of plant origin which have pronounced physiological actions on humans. They include many drugs (morphine, quinine) and poisons (atropine, strychnine).
    • noun: alkaloid, plural noun: alkaloids

    • 更多解釋
    • IPA[ˈalkəlɔɪd]

    英式

    • n.
      any of a class of nitrogenous organic compounds of plant origin which have pronounced ...

    Oxford Dictionary