| NOUN | substance | pig iron | crude iron tapped from a blast furnace |
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| Meaning | crude iron tapped from a blast furnace. | |
|---|---|---|
| Narrower | basic iron | pig iron containing a high percentage of phosphorus |
| cinder pig | pig iron containing a substantial proportion of slag | |
| mine pig | pig iron made entirely / entirely from ore | |
| spiegeleisen, spiegel, spiegel iron | pig iron containing manganese | |
| Broader | iron, Fe, atomic number 26 | A heavy ductile magnetic metallic element |
| Substance of | cast iron | An alloy of iron containing so much carbon that it is brittle / brittle and so cannot be wrought but must be shaped by casting |
| wrought iron | iron having a low carbon content that is tough and malleable and so can be forged and welded | |
| Spanish | arrabio, mineral de hierro | |
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