cobalt
Prononciation : [ˈkoʊ.bɔlt]
Mot
Contexte : « 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.
Exemple
The scientist used cobalt in the new battery to make it last longer.
Exemple
The old battery didn't contain any cobalt, which made it less efficient.
Exemple
What is cobalt used for in modern technology?
Contexte : « color »
(noun) a bright blue color that looks like the metal. It is often used in paints and materials.
Exemple
She chose a beautiful cobalt blue dress for the party.
Exemple
The wall was painted in a dull color, not the vibrant cobalt blue she wanted.
Exemple
What other colors can match with cobalt blue?
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