pitch·blende (p ch bl nd )n. A massive variety of the mineral uraninite. [Partial translation of German Pechblende : Pech, pitch + Blende, blende; see blende.] |
pitchblende
Noun
a blackish mineral which is the principal source of uranium and radium [German Pechblende]
| pitchblende (pchblnd) A brown to black, often crusty, cubic mineral that is a principal ore of uranium. It is highly radioactive. Chemical formula: UO2. |
ThesaurusLegend: Synonyms Related Words Antonyms
| 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 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 |
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