3 definitions found From The Collaborative International Dictionary of English v.0.48 [gcide]: Spiegeleisen \Spie"gel*ei`sen\, n. [G. spiegel mirror + eisen iron.] See {Spiegel iron}. [1913 Webster] From The Collaborative International Dictionary of English v.0.48 [gcide]: 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] From WordNet (r) 2.0 [wn]: spiegeleisen n : pig iron containing manganese; used as a deoxidizing agent and to raise the manganese content in making steel [syn: {spiegel}, {spiegel iron}]
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