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PIG IRON
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
Crude iron tapped from a blast furnace
Classified under:
Hypernyms ("pig iron" is a kind of...):
atomic number 26; Fe; iron (a heavy ductile magnetic metallic element; is silver-white in pure form but readily rusts; used in construction and tools and armament; plays a role in the transport of oxygen by the blood)
Hyponyms (each of the following is a kind of "pig iron"):
basic iron (pig iron containing a high percentage of phosphorus; used in making steel by a process that removes the phosphorus)
cinder pig (pig iron containing a substantial proportion of slag)
mine pig (pig iron made entirely from ore)
spiegel; spiegel iron; spiegeleisen (pig iron containing manganese; used as a deoxidizing agent and to raise the manganese content in making steel)
Holonyms ("pig iron" is a substance of...):
cast iron (an alloy of iron containing so much carbon that it is 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)
