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

Word History and Origins

Origin of spiegeleisen¹

1865–70; < German, equivalent to Spiegel mirror + Eisen iron

Word History and Origins

Origin of spiegeleisen¹

C19: German, from Spiegel mirror + Eisen iron

Example Sentences

These two elements are then restored to the iron by adding spiegeleisen (an alloy of iron, carbon and manganese).

From Project Gutenberg

Layers of spiegeleisen, limonite and other iron ores are numerous in the Laos states, in which also antimony occurs.

From Project Gutenberg

Spiegeleisen, an iron which contains a natural alloy of from 10 to 12 per cent.

From Project Gutenberg

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

From Project Gutenberg

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

From Project Gutenberg