pitchblende
English
    
    Etymology
    
From German Pechblende, from Pech (“pitch”) + Blende (“blende”).
Pronunciation
    
- (UK) IPA(key): /ˈpɪtʃblɛnd/
- Rhymes: -ɛnd
Noun
    
pitchblende (countable and uncountable, plural pitchblendes)
- (mineralogy) Naturally-occurring uranium oxide, a variety of the mineral uraninite.
-  2004, Richard Fortey, The Earth, Folio Society, published 2011, page 205:- Working in Paris in 1898, Marie and Pierre Curie processed thousands of pounds of pitchblende from the same glass-factory tailings in order to isolate two radioactive elements that had hitherto been unknown: radium and polonium.
 
 
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Translations
    
a type of uraninite
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