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  1. Oxford American Dictionary

    pitchblende

    • IPA[ˈpiCHˌblend]

    美式

    • n.
      a form of the mineral uraninite occurring in brown or black masses and containing radium.

    • noun: pitchblende

    • 更多解釋

    pitchblende

    • IPA[ˈpɪtʃblɛnd]

    英式

    • n.
      a form of the mineral uraninite occurring in brown or black masses and containing radium.

    Oxford Dictionary