spiegeleisen

9.9

A kind of iron with a lot of manganese used in making steel

noun
/ˈspiːɡəˌlaɪzən/

Specialized

: spiegeleisen

The addition of spiegeleisen was crucial for improving the quality of the final steel product.

Examples

Early steelmakers relied on spiegeleisen to introduce manganese into their alloys.
Without spiegeleisen, it would have been difficult to control the chemical composition of steel.
The factory uses spiegeleisen to improve steel quality.
In the steelmaking process, spiegeleisen is essential.
Early steelmakers relied on spiegeleisen to introduce manganese into their alloys.
The addition of spiegeleisen was crucial for improving the quality of the final steel product.
Without spiegeleisen, it would have been difficult to control the chemical composition of steel.

Synonyms

spiegel

vsspiegeleisen

Specialized

9.9

A hard form of iron with much manganese used to make steel stronger

has identical meaning but is a different name or form

spiegel iron

vsspiegeleisen

Specialized

9.4

A type of pig iron with much manganese used to remove oxygen and add manganese to steel

has identical meaning but is a different name or form

How Manganese-Rich

spiegeleisen

Specialized

9.9

pig iron

Specialized

2 4.9

Surface Forms

spiegeleisen singular

spiegeleisens plural

Etymology

Spiegeleisen comes from the German words Spiegel ('mirror') and Eisen ('iron'), because the metal often makes shiny, mirror-like surfaces. Today spiegeleisen means a type of iron with a lot of manganese that steelmakers add to make steel stronger and to help control its mix.