cobalt

BrE /ˈkəʊbɔːlt/ AmE /ˈkoʊbɔlt/

noun en → es

1 METAL [non-count] C1

a hard, greyish-blue metal that is used in making steel and other alloys

cobre grisáceo, cobalto

Collocations cobalt ore · cobalt alloy

  • The steel contains a small amount of cobalt.

    El acero contiene una pequeña cantidad de cobalto.

2 COLOR [non-count] C1

a deep blue colour, like that of the metal cobalt when it is heated and melted

azul oscuro, azul cobalto

Collocations cobalt blue paint

  • The sky was a beautiful shade of cobalt.

    El cielo estaba en un hermoso tono de azul cobalto.