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 purchase brings to a close an effort, stretching back to the Biden administration, to secure critical cobalt supplies in the Democratic Republic of Congo.

From The Wall Street Journal • Mar. 31, 2026

Chemaf’s assets are capable of producing around 5% of the world’s cobalt, a metal used in jet fighters, mobile phones and electric-vehicle batteries.

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

It flourished on the air softly in vapors of cobalt light, whispering and sighing.

From "The Martian Chronicles" by Ray Bradbury