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.

About $250 million to $300 million in capital expenditure is still needed to finish infrastructure upgrades and increase production to 75,000 tons of copper and 15,000 tons of cobalt annually, according to Powch.

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

Zimbabwe has some of Africa's largest lithium reserves, as well as chromium, cobalt and rare earth minerals.

From BBC • Mar. 14, 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