: 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
Recent Examples on the Web
Image Image United Nations experts found that 150 tons of coltan — from which key minerals used in smartphone manufacturing are extracted — was smuggled out of Congo and into Rwanda by M23 last year.
—
Guerchom Ndebo, New York Times, 19 Feb. 2025
The tax on a kilogram of coltan and manganese was $7, while the tax on tin (cassiterite) was $4 per kilogram.
—Paul Tilsley, Fox News, 31 Jan. 2025
The country hosts numerous major mineral deposits—from cobalt and coltan to diamonds and gold—that power international economies and the technology companies that fuel them.
—Akilah Sailers, Essence, 19 Dec. 2024
The scarred hands of the miners who extracted the coltan and cobalt that now resided in his silenced phone.
—Daisy Hildyard, The New Yorker, 15 Dec. 2024
See All Example Sentences for coltan
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Guerchom Ndebo, New York Times, 19 Feb. 2025
The tax on a kilogram of coltan and manganese was $7, while the tax on tin (cassiterite) was $4 per kilogram.
—Paul Tilsley, Fox News, 31 Jan. 2025
The country hosts numerous major mineral deposits—from cobalt and coltan to diamonds and gold—that power international economies and the technology companies that fuel them.
—Akilah Sailers, Essence, 19 Dec. 2024
The scarred hands of the miners who extracted the coltan and cobalt that now resided in his silenced phone.
—Daisy Hildyard, The New Yorker, 15 Dec. 2024
See All Example Sentences for coltan
Cite this Entry
“Coltan.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/coltan. Accessed 12 Mar. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share