cobalt
Pronunciation: [ˈkoʊ.bɔlt]
Word
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?
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