corundum
English
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corundum
- /kəˈɹʌn.dəm/ UK, US
Where it comes from
From Tamil குருந்தம் (kuruntam, “ruby, sapphire”) First attested in the early 18th century.
noun corundums
- 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.
Translations
Talk about this word "corundum." Wiktionary, via Micwyn, micwyn.com/word/corundum. Accessed 6 Nov. 2026. corundum. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/corundum "corundum." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/corundum.Cite this
@misc{corundum_2026,
title = {corundum},
howpublished = {Wiktionary, via Micwyn},
year = {2026},
url = {https://micwyn.com/word/corundum},
urldate = {2026-11-06}
}