spiegeleisen

S1P3I1E1G2E1L1E1I1S1E1N1
/ˈʃpiːɡəlˌaɪzən/

noun

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.”

Similar
spiegelspiegel iron
OriginGerman Spiegeleisen →
Scrabble 15
Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

nounspiegeleisen (countable and uncountable, plural spiegeleisens)

plural spiegeleisens

  1. countableuncountableA 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.

Synonyms & antonyms

nounpig iron containing manganese; used as a deoxidizing agent and to raise the manganese content in making steel

Similar
spiegelspiegel iron
Broader
pig iron
Also see
spiegelspiegel iron

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. GermanSpiegeleisen
  2. Englishspiegeleisen

From German Spiegeleisen (literally “mirror iron”).

More words from German

Full word history & related roots →
Cite this entry
APA

spiegeleisen. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/spiegeleisen

MLA

“spiegeleisen.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/spiegeleisen. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “spiegeleisen,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/spiegeleisen.

Source: spiegeleisen on Wiktionary, CC BY-SA 4.0.