corundum

English

Corundum

Etymology

From Tamil குருந்தம் (kuruntam, “ruby”).

Pronunciation

(UK, US) IPA^(key): /kəˈɹʌn.dəm/

Noun

corundum (countable and uncountable, plural corundums)

(mineralogy) An extremely hard mineral, a form of aluminum oxide with the chemical formula Al₂O₃, that occurs in the form of the gemstones sapphire and ruby; it is used as an abrasive.

Derived terms

carborundum

Translations

mineral

Bulgarian: корунд (korund)
Catalan: corindó m
Czech: korund (cs) m
Danish: korund (da) n
Estonian: korund
Faroese: korund n
Finnish: korundi (fi)
French: corindon (fr) m

German: Korund m
Indonesian: korundum (id)
Italian: corindone m
Malay: korundum
Polish: korund (pl) m
Portuguese: corundo m, corindo m
Spanish: corindón m

Further reading

“Corundum” in David Barthelmy, Webmineral Mineralogy Database, 1997–.
“corundum”, in Mindat.org‎, Hudson Institute of Mineralogy, accessed 29 August 2016.

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