spiegeleisen

English

Etymology

From German Spiegeleisen (literally “mirror iron”).

Pronunciation

  • IPA(key): /ˈʃpiːɡəlˌaɪzən/

Noun

spiegeleisen (countable and uncountable, plural spiegeleisens)

  1. A ferromanganese alloy containing approximately 15% manganese and small quantities of carbon and silicon.
    Historically, spiegeleisen was the standard form in which manganese was traded and used in steelmaking.
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