cobalt
word
Definition
Cobalt is a hard, silver-gray metal that is used to make strong alloys, magnets, and blue pigments for glass and ceramics.
Usage & Nuances
'Cobalt' is mostly a scientific or technical term, commonly used in chemistry, metallurgy, and art (for pigments). In everyday speech, it's less common unless referring to the color 'cobalt blue.' Not to be confused with 'cobble' or 'colbalt' (misspelling).
Example Sentences
Cobalt is used to make batteries for electric cars.
basic
Cobalt gives glass a bright blue color.
basic
Many magnets are made using cobalt alloys.
basic
The vivid blue on that vase is from a cobalt pigment.
natural
Mining for cobalt is becoming more important because of demand for rechargeable batteries.
natural
Artists love using cobalt blue for its intensity and shine.
natural