Recent Examples of coltan from the Web
For two decades the country has struggled to defeat dozens of local and foreign militias in the east, which has deposits of tin, gold and coltan.
Most people don’t realize, but coltan is one of the most vital minerals on planet Earth.
The war was fueled by the region’s immense natural riches, which include gold, diamonds, tin, timber and coltan, a mineral essential to the manufacture of smartphones and other consumer electronics.
In central Africa, miners go into rain forests to dig for an ore called coltan that ends up in phone circuits.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'coltan.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of coltan
First Known Use: 1999See Words from the same year
Seen and Heard
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