pitchblende

pitchblende读音音标

英[\\\'pɪtʃblend]

美[\\\'pɪtʃˌblend]

基本意思释义

n.沥青油矿; 非晶铀矿

短语及实用例句

Pitchblende and chalcolite are much more radioactive than uranium itself.

沥清铀矿和铜铀云母比纯铀的放射性强得多.

辞典例句

英英释义

Noun

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