[spee-guh l-ahy-zuh n]


a lustrous, crystalline pig iron containing a large amount of manganese, sometimes 15 percent or more, used in making steel.

Origin of spiegeleisen

1865–70; < German, equivalent to Spiegel mirror + Eisen iron
Also called spie·gel, spiegel iron. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for spiegeleisen

Historical Examples of spiegeleisen

British Dictionary definitions for spiegeleisen



a type of pig iron that is rich in manganese and carbon

Word Origin for spiegeleisen

C19: German, from Spiegel mirror + Eisen iron
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012