Definition of spiegeleisen in English:

spiegeleisen

Line breaks: spie¦gel|eisen
Pronunciation: /ˈspiːg(ə)lˌʌɪz(ə)n
 
/

noun

[mass noun]
  • An alloy of iron and manganese, used in steel-making.
    More example sentences
    • Realising the enormous value of his discovery he continued with his experiments to master the facts concerning spiegeleisen when alloyed in various ways.
    • In 1904, Palmerton would begin producing spiegeleisen, taking advantage of the residuum from the zinc oxide furnaces.
    • The quality of the steel produced would be poor if it absorbed too much oxygen and too little carbon so spiegeleisen, a triple compound of iron, manganese and carbon was added (manganese combines readily with oxygen).

Origin

mid 19th century: from German, from Spiegel 'mirror' + Eisen 'iron'.

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