pitchblende

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pitch·blende / ˈpichˌblend/ • n. a form of the mineral uraninite occurring in brown or black pitchlike masses.

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pitchblende (min.) native oxide of uranium. XVIII. -G. pechblende, f. pech PITCH1; see BLENDE.

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pitchblende See uraninite

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pitchblende See URANINITE.