SPIEGELEISEN Meaning of SPIEGELEISEN in English [ 'spi:g(ə)lˌʌɪz(ə)n ]■ noun an alloy of iron and manganese, used in steel-making.OriginC19: Ger., from Spiegel 'mirror' + Eisen 'iron'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004