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/ˈpɪtʃblɛnd/ · noun
(mineralogy) Naturally-occurring uranium oxide, a variety of the mineral uraninite..
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.
Use pitchblende when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Pitchblende means (mineralogy) Naturally-occurring uranium oxide, a variety of the mineral uraninite..
Common synonyms include uraninite.
The opposite depends on the specific sense.
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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