spie·​gel·​ei·​sen ˈspē-gə-ˌlī-zᵊn How to pronounce spiegeleisen (audio)
variants or less commonly spiegel
: a composition of iron that contains 15 to 30 percent manganese and 4.5 to 6.5 percent carbon

Word History


German Spiegeleisen, from Spiegel mirror + Eisen iron

First Known Use

1855, in the meaning defined above

Time Traveler
The first known use of spiegeleisen was in 1855

Dictionary Entries Near spiegeleisen

Cite this Entry

“Spiegeleisen.” Dictionary, Merriam-Webster, Accessed 25 May. 2024.

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