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An alloy of iron containing approximately 15 percent manganese and small quantities of carbon and silicon, used in the Bessemer process.

[German : Spiegel, mirror (from Middle High German, from Old High German spiagal, from Latin speculum; see speculum) + Eisen, iron (from Middle High German īsen, from Old High German īsan; see eis- in Indo-European roots).]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(ˈspiːɡəlˌaɪzən) or


(Metallurgy) a type of pig iron that is rich in manganese and carbon
[C19: German, from Spiegel mirror + Eisen iron]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.spiegeleisen - pig iron containing manganese; used as a deoxidizing agent and to raise the manganese content in making steel
pig iron - crude iron tapped from a blast furnace
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
In order to produce steel with the desired properties, additives such as spiegeleisen can be added to the molten steel once the impurities have been removed.
Exports of Pig Iron and Spiegeleisen in Pigs Blocks has grew month on month basis by 72.25%.