English noun: pitchblende | |||
1. | pitchblende (substance) 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 | ||
Synonyms | uraninite | ||
Broader (hypernym) | uranium ore | ||
Substance holonym | atomic number 92, U, uranium | ||