cobalt - WordReference.com Dictionary of English

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- - coat-tail
  - coatee
  - coati
  - coatimundi
  - coating
  - coatroom
  - coax
  - coaxial
  - cob
  - cobalamin
  - cobalt
  - cobalt blue
  - cobber
  - cobble
  - cobbler
  - cobby
  - cobia
  - coble
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cobalt

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Concise Oxford English Dictionary © 2008 Oxford University Press:
cobalt /ˈkəʊbɔːlt, -ɒlt/

▶noun the chemical element of atomic number 27, a hard silvery-white magnetic metal. (Symbol: Co)

– derivatives
cobaltic /kə(ʊ)ˈbɔːltɪk, -ˈbɒlt-/ adjective,
cobaltous /kə(ʊ)ˈbɔːltəs, -ˈbɒlt-/ adjective.

– origin C17: from Ger. Kobalt ‘imp, demon’ (from the belief that cobalt was harmful to the ores with which it occurred).

'cobalt' also found in these Oxford entries:

arsenopyrite - bush sickness - Co - cobalamin - cobalt blue - cyanocobalamin - radio- - smalt - speiss - zaffre

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