coltan
Britishnoun
Etymology
Origin of coltan
C20: from columbite + tantalite
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
One of the 15 least-developed countries in the world, the DRC has some of the richest land on the planet, notably in copper, cobalt, coltan and lithium.
From Barron's ● Jul. 3, 2026
The move could help China secure essential supply chains for critical minerals such as cobalt, copper and coltan.
From The Wall Street Journal ● May 23, 2026
Last December, the US and DR Congo agreed a partnership to increase access to the region's vast deposits of minerals such as cobalt, coltan and copper.
From BBC ● May 1, 2026
“If you don’t have technical instruments to verify that it is coltan, it is very complex to seize it,” Martínez said.
From The Wall Street Journal ● Feb. 25, 2026
Somaliland officials have said their soil is rich in lithium, coltan and other sought-after resources, though independent studies are lacking.
From Barron's ● Feb. 22, 2026
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
