Definition of Spiegel iron
1. Noun. Pig iron containing manganese; used as a deoxidizing agent and to raise the manganese content in making steel.
Medical Definition of Spiegel iron
1.
A fusible white cast iron containing a large amount of carbon (from three and a half to six per cent) and some manganese. When the manganese reaches twenty-five per cent and upwards it has a granular structure, and constitutes the alloy ferro manganese, largely used in the manufacture of Bessemer steel.
Synonym: specular pig iron, spiegel, and spiegeleisen.
Origin: G. Spiegel mirror + E. Iron.
Source: Websters Dictionary
(01 Mar 1998)
Lexicographical Neighbors of Spiegel Iron
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