cast iron

1. 1.

   an alloy of iron containing so much carbon that it is brittle and so cannot be wrought but must be shaped by casting

   Broaderiron

   Narroweralloy ironpot metal

Questions about cast iron

What does cast iron mean?

cast iron means "an alloy of iron containing so much carbon that it is brittle and so cannot be wrought but must be shaped by casting".

Is cast iron a common word?

cast iron is banded "Uncommon" — turns up in careful writing rather than conversation. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.