Definition, Meaning & Synonyms

cobalt

noun

/ˈkəʊbɔːlt/

Definition

Cobalt is a chemical element with the symbol Co and atomic number 27. It is a hard, lustrous, grey metal that is used in various industrial processes.

Examples

Cobalt is used in the production of superalloys.
The blue color of the vase is due to the cobalt pigment.
Many rechargeable batteries contain cobalt for improved performance.

Meaning

Cobalt is often associated with its compounds, which include cobalt blue, commonly used in pigments and paints. It is important in the manufacturing of batteries and as a catalyst in chemical reactions.