[spie.gel.ei.sen] also spie.gel n [G Spiegeleisen, fr. Spiegel mirror + Eisen iron] (1868): a composition of iron that contains 15 to 30 percent manganese and 4.5 to 6.5 percent carbon
SPIEGELEISEN
Meaning of SPIEGELEISEN in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012