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Noun: cast iron  kãst I(-u)rn
  1. An alloy of iron containing so much carbon that it is brittle and so cannot be wrought but must be shaped by casting
Adjective: cast-iron  ,kãst'I(-u)rn
  1. Extremely robust
    - iron

See also: robust

Type of: atomic number 26, Fe, iron

Encyclopedia: Cast iron