pitchblende

pitch·blende  (pchblnd)

n.

A massive variety of the mineral uraninite.

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[Partial translation of German Pechblende : Pech, pitch + Blende, blende; see blende.]

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pitchblende [ˈpɪtʃˌblɛnd]

n

(Earth Sciences / Minerals) a blackish mineral that is a type of uraninite and occurs in veins, frequently associated with silver: the principal source of uranium and radium. Formula: UO₂

[partial translation of German Pechblende, from Pech pitch² (from its black colour) + blende]

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pitchblende  (pchblnd)

A brown to black, often crusty, cubic mineral that is a principal ore of uranium. It is highly radioactive. Chemical formula: UO₂.

Thesaurus

Noun

1.

pitchblende - a mineral consisting of uranium oxide and trace amounts of radium and thorium and polonium and lead and helium; uraninite in massive form is called pitchblende which is the chief uranium ore uraninite atomic number 92, uranium, U - a heavy toxic silvery-white radioactive metallic element; occurs in many isotopes; used for nuclear fuels and nuclear weapons uranium ore - any ore from which uranium can be extracted

Translations

pitchblende [ˈpɪtʃblend] N → pec(h)blenda f