cobalt
/หkษส.bษlt/
C1 ยท Advancedโ
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Simple Meaning
a hard, silver-white metal that is often used to make blue color for paints and glass.
When to Use
โ๏ธTechnical๐Academic Writing๐ฐNews & Media
Advanced โ complex ideas, academic/professional
Examples in Conversation
โThe artist used cobalt blue to paint the ocean.โ
โCobalt is an important material for making batteries.โ
Learning Path
โถFull Definition
A chemical element (symbol Co) with an atomic number of 27: a hard, lustrous, silver-gray metal.