transcription, транскрипция: [ koʊbɔ:lt ]
1.
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.
N-UNCOUNT
2.
Cobalt or cobalt blue is a deep blue colour.
...a woman in a soft cobalt blue dress.
COLOUR