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cobalt

Pronunciation: [ˈkoʊ.bɔlt]

Word

Learn how to use cobalt in a sentence: 6 audio examples across 2 meanings.

Context: “science”

(noun) a hard, shiny, silver-blue metal that is used to make batteries, aircraft engines, and other things. It is important in technology and industry.

Example

The scientist used cobalt in the new battery to make it last longer.

Example

The old battery didn't contain any cobalt, which made it less efficient.

Example

What is cobalt used for in modern technology?

Context: “color”

(noun) a bright blue color that looks like the metal. It is often used in paints and materials.

Example

She chose a beautiful cobalt blue dress for the party.

Example

The wall was painted in a dull color, not the vibrant cobalt blue she wanted.

Example

What other colors can match with cobalt blue?

How to pronounce cobalt

Pronunciation: [ˈkoʊ.bɔlt]

Listen and repeat as many times as you need.

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