pitch·blende

(pĭch′blĕnd′)

A massive variety of the mineral uraninite.

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

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

pitchblende

(ˈpɪtʃˌblɛnd)

(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

[C18: partial translation of German Pechblende, from Pech pitch² (from its black colour) + blende]

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

pitch•blende

(ˈpɪtʃˌblɛnd)

n.

a massive variety of uraninite, occurring in black pitchlike masses: a major ore of uranium and radium.

[1760–70; partial translation of German Pechblende. See pitch², blende]

pitch·blende

(pĭch′blĕnd′)

A brown to black, often crusty mineral that is a principal ore of uranium. It is highly radioactive.

The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

ThesaurusAntonymsRelated WordsSynonymsLegend:

Noun

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

Pechblende

pikivälke

pechblenda

pitchblende

[ˈpɪtʃblend] N → pec(h)blenda f

Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

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References in periodicals archive

For example, 1979 hole BL-066 intersected 1,656 ppm uranium over 0.20 metres in a section containing visible grains of pitchblende, a uranium mineral commonly found associated with Athabasca Basin uranium deposits.

ALX Uranium Corp. Announces Option Extension for Claims at the Newnham Lake Uranium Project, Athabasca Basin, Saskatchewan

Primary minerals like uraninite, coffinite, pitchblende are found below water table while secondary minerals like uranophane, metatyuyamunite, carnotite are found in the the oxidized environments/above water table hosted by Vihowa group in Sulaiman, Manchar/Vihowa group in Kirthar and Potwar group in Kohat and Potwar basins.

SANDSTONE TYPE URANIUM RESOURCES OF PAKISTAN: ENCOURAGING HUGE STRATA

1898: Marie and Pierre Curie announced their discovery of radium after painstaking processing of the mineral pitchblende, from which they had already discovered polonium.

HAPPENED ON THIS DAY

Polvo, a banker, mistakes Clarence for a rich American businessman and tries to sell him shares in a pitchblende mine in Morocco, saying "'Pitchblende has uranium in it.

Saul Bellow's Spain

While he was working in his experimental laboratory in Berlin in 1789, he was able to precipitate a yellow compound (likely sodium diuranate) by dissolving pitchblende Fig.

Uranium - The Element: Its Occurrence and Uses

Devoting her attention to the mineral, pitchblende, uraninite ore, she reasoned that its emission of rays could be explained only by the presence in the ore of an unknown substance or substances.

Wirten, Eva Hemmungs. Making Marie Curie: Intellectual Property and Celebrity Culture in Our Age of Information

Basically in Pakistan uranium is deposited in three types Uraninite, Pitchblende and Coffinite.

URANIUM DEPOSITS AND RESOURCES POTENTIAL IN PAKISTAN: A REVIEW

Marie Curie (nee Sklodowska) and Pierre Curie isolated the element in 1898 from pitchblende after separation of uranium and thorium [1].

Development of an Ultra-Pure, Carrier-Free [sup.209]Po Solution Standard

pitchblende, radium, precious stones, copper, iron, tin, zinc, asbestos,

Alberta's Metis Settlements and the Co-Management Agreement

Which elements were first discovered in the mineral pitchblende? 5.

QUIZ OF THE DAY

Quan, "Direct evidences for reduction of pitchblende by pitch in the Sawapuqi uranium deposit, Xinjiang," Bulletin of Mineralogy Petrology and Geochemistry, vol.

Genesis analysis of high-gamma ray sandstone reservoir and its log evaluation techniques: a case study from the Junggar Basin, Northwest China