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cobalt
Definitions
[ˈkəʊbɒlt], (Noun)
Definitions:
- the chemical element of atomic number 27, a hard silvery-white magnetic metal
Phrases:
Origin
:
late 17th century: from German Kobalt ‘imp, demon’ (because the presence of cobalt-bearing ore made it more difficult to extract silver, and miners believed that it was harmful to the silver ore with which it occurred)
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definition by Oxford Dictionaries