cast iron
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Tweet n. A hard, brittle, nonmalleable iron-carbon alloy, cast into shape, containing 2 to 4.5 percent carbon, 0.5 to 3 percent silicon, and lesser amounts of sulfur, manganese, and phosphorus. |
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.
cast-i·ron (kăstīərn)
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Tweet adj. 1. Made of cast iron. 2. Rigid; inflexible: a cast-iron rule. 3. Exceptionally strong or resistant: a cast-iron stomach. |
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.