Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun A metallic
ore from which is extracted the elementsniobium andtantalum
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a valuable black mineral combining niobite and tantalite; used in cell phones and computer chips
Etymologies
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Examples
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The massive demand for coltan is credited with fueling the Second Congo War of 1998-2002.
Archive 2008-01-01 jen 2008
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The massive demand for coltan is credited with fueling the
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The massive demand for coltan is credited with fueling the Second Congo War of 1998-2002.
Pay Attention jen 2008
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The Congo has almost unparalleled mineral riches, including gold, uranium, the world's biggest industrial diamond deposits, and 80 percent of world reserves in a mineral called coltan, which is crucial to the manufacture of mobile telephones.
Diamond in the Rough 2007
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There is gold, copper, diamonds, uranium and tantalum, known as coltan, which is used in electronic devices such as cellphones and computers.
APA 2010
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The mineral in question is known as coltan, which is actually African slang for ore that contains tantalum, a metal prized for electronics use because of its resistance to corrosion and heat.
BusinessWeek.com -- 2008
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The lure of profit from gold and diamonds, as well as from minerals such as coltan, which is used to make mobile phones, have turned eastern Congo into a battlefield.
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The lure of profit from gold and diamonds, as well as from minerals such as coltan, which is used to make mobile phones, have turned eastern Congo into a battlefield.
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Mobile phones contain a mineral called coltan which is used in the electrical capacitors.
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The most valuable loot is coltan, which is used to make the metal in our mobile phones and games consoles and laptops.
Johann Hari: We Are Not Being Told The Truth About Libya Johann Hari 2011
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