Definition of pitchblende in English:

pitchblende

noun ˈpɪtʃblɛndˈpɪtʃˌblɛnd

mass noun

A form of the mineral uraninite occurring in brown or black masses and containing radium.
沥青铀矿
Example sentencesExamples
- 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.
- 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 hint of a new element in pitchblende materialized in July 1898, when the couple reported gathering a substance that was 400 times more active than metallic uranium.
- It is worth recalling the history of this treatment, which began when American, James Douglas, discovered extensive pitchblende deposits on his Western mining properties.
- The first discovery of pitchblende in the United States was associated with gold ores at the Wood mine in Gilpin County.

Origin

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

Definition of pitchblende in US English:

pitchblende

nounˈpɪtʃˌblɛndˈpiCHˌblend

A form of the mineral uraninite occurring in brown or black masses and containing radium.
沥青铀矿
Example sentencesExamples
- 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.
- The most common ore of the element is pitchblende, although it is also present in other minerals, such as uraninite, carnotite, uranophane, and coffinite.
- It is worth recalling the history of this treatment, which began when American, James Douglas, discovered extensive pitchblende deposits on his Western mining properties.
- The hint of a new element in pitchblende materialized in July 1898, when the couple reported gathering a substance that was 400 times more active than metallic uranium.
- The first discovery of pitchblende in the United States was associated with gold ores at the Wood mine in Gilpin County.

Origin

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

词汇	pitchblende
释义	Definition of pitchblende in English: pitchblende noun ˈpɪtʃblɛndˈpɪtʃˌblɛnd mass noun A form of the mineral uraninite occurring in brown or black masses and containing radium. 沥青铀矿 Example sentencesExamples 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. 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 hint of a new element in pitchblende materialized in July 1898, when the couple reported gathering a substance that was 400 times more active than metallic uranium. It is worth recalling the history of this treatment, which began when American, James Douglas, discovered extensive pitchblende deposits on his Western mining properties. The first discovery of pitchblende in the United States was associated with gold ores at the Wood mine in Gilpin County. Origin Late 18th century: from German Pechblende, from Pech 'pitch' + Blende (see blende). Definition of pitchblende in US English: pitchblende nounˈpɪtʃˌblɛndˈpiCHˌblend A form of the mineral uraninite occurring in brown or black masses and containing radium. 沥青铀矿 Example sentencesExamples 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. The most common ore of the element is pitchblende, although it is also present in other minerals, such as uraninite, carnotite, uranophane, and coffinite. It is worth recalling the history of this treatment, which began when American, James Douglas, discovered extensive pitchblende deposits on his Western mining properties. The hint of a new element in pitchblende materialized in July 1898, when the couple reported gathering a substance that was 400 times more active than metallic uranium. The first discovery of pitchblende in the United States was associated with gold ores at the Wood mine in Gilpin County. Origin Late 18th century: from German Pechblende, from Pech ‘pitch’ + Blende (see blende).
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