What does cobalt mean?
A hard, blue-gray or blue-white metallic element, used in alloys and as a pigment. It is also used in the manufacture of magnets and in the production of blue glass and ceramics.
Example
"The artist used cobalt to create a vibrant blue hue in her painting."
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.