pitchblende
英 ['pɪtʃblend]
美['pɪtʃ,blɛnd]
- n. [矿物] 沥青铀矿
英英释意
- 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