cobalt

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.

Over more than a decade, Chinese companies, willing to take on significant risks, have spent billions of dollars buying up mines in Congo, which produces nearly 75% of the world’s cobalt.

From The Wall Street Journal • Mar. 31, 2026

China currently dominates the global supply of lithium and cobalt, both of which are needed in batteries.

From Barron's • Mar. 28, 2026

Sulphur is used to make sulphuric acid, which is used for processing copper, cobalt and nickel and also for the extraction of lithium.

From BBC • Mar. 26, 2026

"We found cadmium, cobalt, copper, zinc, and nickel," she explained.

From BBC • Mar. 13, 2026

And it was realized that workers in the cobalt mines in Saxony and in the uranium mines at Joachimsthal in Bohemia were subject to a disease of the lungs, later identified as cancer.

From "Silent Spring" by Rachel Carson