also spiegel noun Etymology: German Spiegeleisen, from Spiegel mirror + Eisen iron Date: 1855 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. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012