pitchblende
UKpitʃblend
US'pıtʃ'blend
معنی فارسی
نوعي اورانيت .
معنی کامل و مثالها
/pich´blend´/n.
● (مادهی معدنی سیاه یا قهوهای که نوعی uraninite است) پیچ بلند
ریشه و کاربرد
ریشه
From German 'Pechblende', from 'Pech' (pitch) + 'Blende' (ore).
مثال
- Pitchblende is commonly found in uranium mines.
- The pitchblende deposits were rich in radium.
- Scientists discovered the radioactive properties of pitchblende in the late 19th century.
تعریف انگلیسی
noun
- 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 “Substance Meronyms: uranium, U, atomic number 92”