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uraninite

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noun ura·ni·nite \yu̇-ˈrā-nə-ˌnīt\

Definition of uraninite

  1. :  a black octahedral mineral that consists of an oxide of uranium which usually contains thorium, lead, and rare earth elements and is the chief ore of uranium



Origin and Etymology of uraninite

German Uranin uraninite (from New Latin uranium) + English -ite


First Known Use: 1879


Medical Dictionary

uraninite

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noun ura·ni·nite \yu̇-ˈrā-nə-ˌnīt\

Medical Definition of uraninite

  1. :  a mineral that is basically a black octahedral or cubic oxide of uranium containing lead, thorium, and rare earth elements and that is the chief ore of uranium




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