spiegel iron is a noun meaning "pig iron containing manganese; used as a deoxidizing agent and to raise the manganese content in making steel". It carries one recorded sense.
pig iron containing manganese; used as a deoxidizing agent and to raise the manganese content in making steel
Definitions, synonyms and semantic relations for spiegel iron come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.