pitchblende
English Thesaurus
1. 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 (noun.substance)
| hypernym | : | uranium ore, |
| definition | : | any ore from which uranium can be extracted (noun.substance) |
| substance holonym | : | atomic number 92, u, uranium, |
| definition | : | a heavy toxic silvery-white radioactive metallic element; occurs in many isotopes; used for nuclear fuels and nuclear weapons (noun.substance) |
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