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  1. Oxford American Dictionary

    trioxide

    • IPA[trīˈäkˌsīd]

    美式

    • n.
      an oxide containing three atoms of oxygen in its molecule or empirical formula.

    • noun: trioxide, plural noun: trioxides

    • 更多解釋

    trioxide

    • IPA[trʌɪˈɒksʌɪd]

    英式

    • n.
      an oxide containing three atoms of oxygen in its molecule or empirical formula.

    Oxford Dictionary