cast iron Meaning, Definition & Usage
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noun an alloy of iron containing so much carbon that it is brittle and so cannot be wrought but must be shaped by casting
WordNet
Cast" i`ron
Definitions
Highly carbonized iron, the direct product of the blast furnace; -- used for making castings, and for conversion into wrought iron and steel. It can not be welded or forged, is brittle, and sometimes very hard. Besides carbon, it contains sulphur, phosphorus, silica, etc.
