: a dull black ore that consists of a mixture of columbite and tantalite and is a minor source of tantalum
Examples of coltan in a Sentence
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Roughly the size of Western Europe, the war-riven country is endowed with vast mineral wealth, including the world’s largest reserves of cobalt and coltan – both critical to the production of electronics.
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Nimi Princewill, CNN, 12 Feb. 2025
Gold is abundant in the region, which also has rich deposits of rare metals such as coltan, used to make capacitors, and niobium, used to make superalloys for jet engines and hypersonic missiles.
—Emmet Livingstone, The Dial, 20 Mar. 2025
The demand for rare-earth minerals such as cobalt, coltan, lithium, and tantalum is driving efforts to source and secure these resources wherever they can be found.
—Michael Albertus, Foreign Affairs, 4 Mar. 2025
The region is rich in gold and coltan, a key mineral for the production of capacitors used in most consumer electronics such as laptops and smartphones.
—Janvier Barhahiga and Monika Pronczuk The Associated Press, arkansasonline.com, 28 Feb. 2025
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Nimi Princewill, CNN, 12 Feb. 2025
Gold is abundant in the region, which also has rich deposits of rare metals such as coltan, used to make capacitors, and niobium, used to make superalloys for jet engines and hypersonic missiles.
—Emmet Livingstone, The Dial, 20 Mar. 2025
The demand for rare-earth minerals such as cobalt, coltan, lithium, and tantalum is driving efforts to source and secure these resources wherever they can be found.
—Michael Albertus, Foreign Affairs, 4 Mar. 2025
The region is rich in gold and coltan, a key mineral for the production of capacitors used in most consumer electronics such as laptops and smartphones.
—Janvier Barhahiga and Monika Pronczuk The Associated Press, arkansasonline.com, 28 Feb. 2025
See All Example Sentences for coltan
Cite this Entry
“Coltan.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/coltan. Accessed 2 May. 2025.
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