pitch·blende /ˈpɪʧˌblɛnd/
瀝青油礦
pitch·blende /ˈpɪʧˌblɛnd/ 名詞
Pitch·blende n. Min. A pitch-black mineral consisting chiefly of the oxide of uranium; uraninite. See Uraninite.
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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]