cobalt
(koʊbɔːlt )
1. uncountable noun
Cobalt is a hard silvery-white metal which is used to harden steel and for producing a blue dye.
...a country rich in copper, cobalt and diamonds.
2. colour
Cobalt or cobalt blue is a deep-blue colour.
They walked past stalls selling huge sprays of crimson, saffron and cobalt flowers.
...a woman in a soft cobalt blue dress.
Image of cobalt
© farbled, Shutterstock
Translations:
Chinese: 钴
Japanese: コバルト