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1. Oxford American Dictionary

   uraninite

   • IPA[yo͝oˈranəˌnīt]

   美式

   • n.
     a black, gray, or brown mineral which consists mainly of uranium dioxide and is the chief ore of uranium.

   • noun: uraninite

2. • 更多解釋

   uraninite

   • IPA[jʊˈranɪnʌɪt]

   英式

   • n.
     a black, grey, or brown mineral which consists mainly of uranium dioxide and is the chief ore ...

   Oxford Dictionary