| NOUN | substance | uraninite, pitchblende | a mineral consisting of uranium oxide and trace amounts of radium and thorium and polonium and lead and helium |
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| Meaning | 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. | |
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| Synonym | pitchblende | |
| Broader | uranium ore | Any ore from which uranium can be extracted |
| Substances | uranium, U, atomic number 92 | A heavy toxic silvery-white radioactive metallic element |
| Spanish | pechblenda, uraninita | |
| Catalan | pechblenda, uraninita | |
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