cast iron Definition
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cast iron
noun
- 1. Any of a group of hard heavy alloys of iron, containing more carbon than steels, and cast into a specific shape when molten, used to make machine and engine parts, stoves, pipes, etc.
- 1. Made of cast iron.
2. Very strong.
3. Said of a rule or decision: firm; not to be altered.
4. Said of an argument, etc: with no flaws, loopholes, etc.
