spiegeleisen

noun

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

Etymology

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

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Cite this Entry

“Spiegeleisen.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/spiegeleisen. Accessed 26 Feb. 2025.

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