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
同义词：uraninite
pitchblende详细解释
pitch.blende
n.（名词） A massive variety of the mineral uraninite. 沥青铀矿：铀矿的一种
来源： Partial translation of German Pechblende 德语 Pechblende的部分翻译 Pech [pitch] Pech [沥青] Blende [blende] * see blende Blende [混合] *参见 blende
