English version


From Longman Dictionary of Contemporary English
Related topics: Earth sciences
pitchblendepitch‧blende /ˈpɪtʃblend/ noun [uncountable]  HEa dark shiny substance dug from the earth, from which uranium and radium are obtained
Examples from the Corpus
pitchblendeThe cliff contains pitchblende veins that have been sources of dissolved uranium.Veins of pitchblende in the cliff are the source of uranium in the flat floodplain deposits at the foot of the cliff.
Pictures of the day
What are these?
Click on the pictures to check.