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Lengua inglesa
cobalt
noun
1 chem (symbol Co, atomic number 27) a hard silvery-white metallic element commonly used in alloys to produce cutting tools and magnets.
2 a mixture of cobalt oxide and alumina used as a bright blue pigment in paints, ceramics, etc. Also called cobalt blue.
3 the colour of this compound.
[17c: from German Kobold goblin of the mines, the name given to the material by frustrated miners looking for silver]
cobaltic adjective .
noun
1 chem (symbol Co, atomic number 27) a hard silvery-white metallic element commonly used in alloys to produce cutting tools and magnets.
2 a mixture of cobalt oxide and alumina used as a bright blue pigment in paints, ceramics, etc. Also called cobalt blue.
3 the colour of this compound.
[17c: from German Kobold goblin of the mines, the name given to the material by frustrated miners looking for silver]
cobaltic adjective .
© Hodder Education
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