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spiegeleisen

[ spee-guhl-ahy-zuhn ]

noun

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


spiegeleisen

/ ˈspiːɡəlˌaɪzən /

noun

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


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Word History and Origins

Origin of spiegeleisen1

1865–70; < German, equivalent to Spiegel mirror + Eisen iron
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Word History and Origins

Origin of spiegeleisen1

C19: German, from Spiegel mirror + Eisen iron
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Example Sentences

These two elements are then restored to the iron by adding spiegeleisen (an alloy 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.

To this is added a certain quantity of 'spiegeleisen,' which is a compound of iron, carbon, and manganese.

A small amount is used for spiegeleisen, and the rest as a flux.

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