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Pitchblende \Pitch"blende`\, n. [1st pitch + blende.] (Min.) A pitch-black mineral consisting chiefly of the oxide of uranium; uraninite. See {Uraninite}. [1913 Webster] From WordNet (r) 2.0 [wn]: pitchblende n : a mineral consisting of uranium oxide and trace amounts of radium and thorium and polonium and lead and helium; uraninite in massive form is called pitchblende which is the chief uranium ore [syn: {uraninite}] pitchblende |
Dot Coms with the word pitchblende in them As of 12/11/08
PITCHBLENDE