Found 2 items, similar to Pitchblende.
English → English (WordNet)
Definition: pitchblende
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]
English → English (gcide)
Definition: Pitchblende
Pitchblende
\Pitch"blende`\, n. [1st pitch + blende.] (Min.)
A pitch-black mineral consisting chiefly of the oxide of
uranium; uraninite. See
Uraninite.
[1913 Webster]