Definition of pitchblende in English:

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pitchblende

Pronunciation: /ˈpiCHˌblend/

noun

A form of the mineral uraninite occurring in brown or black pitchlike masses.
Example sentences
  • The first discovery of pitchblende in the United States was associated with gold ores at the Wood mine in Gilpin County.
  • The most common ore of the element is pitchblende, although it is also present in other minerals, such as uraninite, carnotite, uranophane, and coffinite.
  • The story of the Curie's four-year struggle to purify, purify, and purify over again the components of pitchblende has now been told in popular novels, plays, and motion pictures.

Origin

Late 18th century: from German Pechblende, from Pech 'pitch' + Blende (see blende).

For editors and proofreaders

Syllabification: pitch·blende

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