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pitchblende

 - 4 dictionary results

pitch⋅blende

  [pich-blend]
Use pitchblende in a Sentence
–noun Mineralogy.
a massive variety of uraninite, occurring in black pitchlike masses: a major ore of uranium and radium.
Origin:
1760–70; half trans., half adoption of G Pechblende. See pitch 2 , blende
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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pitch·blende   (pĭch'blěnd')   
n.  A massive variety of the mineral uraninite.

[Partial translation of German Pechblende : Pech, pitch + Blende, blende; see blende.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: pitch·blende
Pronunciation: 'pich-"blend
Function: noun
: a brown to black mineral that consists of massive uraninite, has a distinctiveluster, contains radium, and is the chief ore-mineral source of uranium
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Science Dictionary
pitchblende   (pĭch'blěnd')  Pronunciation Key 
A brown to black, often crusty, cubic mineral that is a principal ore of uranium. It is highly radioactive. Chemical formula: UO2.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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