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.

The US is also negotiating a minerals deal with DR Congo to help gain access to the central African country's vast reserves of key metals such as cobalt, tantalum, lithium and copper.

From BBC • Apr. 6, 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

Other companies invested tens of billions of dollars in building plants in the U.S. to make lithium-ion batteries with expensive nickel and cobalt inside.

From The Wall Street Journal • Mar. 24, 2026

It was a woman, large but well contained within the gown of cobalt and peach that marked her as one of the servants of the royal household.

From "Throne of Glass" by Sarah J. Maas