Test Your Vocabulary

Take Our 10-Question Quiz

Name That Thing

Take our visual vocab quiz

Test Your Knowledge »

True or False?

A quick quiz about stuff worth knowing

Take It Now »

Join Us on FB & Twitter

Get the Word of the Day and More

Facebook | Twitter
  1. Word Games
  2. Word of the Day
  3. New Words & Slang
  4. Video
 

cobalt

2 ENTRIES FOUND:
  1. cobalt (noun)
  2. cobalt 60 (noun)

co·balt

noun \ˈkō-ˌbȯlt\

Definition of COBALT

: a tough lustrous silver-white magnetic metallic element that is related to and occurs with iron and nickel and is used especially in alloys—symbol Co; see element table

Learn More About COBALT