a lustrous, crystalline pig iron containing a large amount of manganese, sometimes 15 percent or more, used in making steel.
Origin of spiegeleisen
equivalent to Spiegel
mirror + Eisen iron
Also called spie·gel, spiegel iron.
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for spiegeleisen
Historical Examples of spiegeleisen
A small amount is used for spiegeleisen, and the rest as a flux.
To this is added a certain quantity of 'spiegeleisen,' which is a compound of iron, carbon, and manganese.
Layers of spiegeleisen, limonite and other iron ores are numerous in the Laos states, in which also antimony occurs.
Spiegeleisen, an iron which contains a natural alloy of from 10 to 12 per cent.
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
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