Found 2 items, similar to Spiegel iron.
English → English (WordNet) Definition: spiegel iron spiegel iron n : pig iron containing manganese; used as a deoxidizing agent and to raise the manganese content in making steel [syn: spiegeleisen, spiegel]
English → English (gcide) Definition: Spiegel iron Spiegel iron \Spie"gel i`ron\ [G. spiegel mirror + E. iron.] (Metal.) 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. Called also specular pig iron, spiegel, and spiegeleisen. [1913 Webster]