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  1. Oxford Dictionary

    urushiol

    • IPA[ʊˈruːʃɪɒl]

    英式

    • n.
      an oily liquid which is the main constituent of Japanese lacquer and is responsible for the irritant properties of poison ivy and other plants. It consists of a mixture of catechol derivatives.

    • noun: urushiol

    • 更多解釋

    urushiol

    • IPA[yo͝oˈro͞oSHēôl]

    美式

    • n.
      an oily liquid which is the main constituent of Japanese lacquer and is responsible for the ...

    Oxford American Dictionary