corundom vs corundum what difference

what is difference between corundom and corundum


English

Etymology

From Tamil குருந்தம் (kuruntam, ruby, sapphire) [early 18th century].

Pronunciation

  • (UK, US) IPA(key): /kəˈɹʌn.dəm/

Noun

corundum (countable and uncountable, plural corundums)

  1. (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

Further reading

  • David Barthelmy (1997–2021), “Corundum”, in Webmineral Mineralogy Database.
  • “corundum”, in Mindat.org[1], Hudson Institute of Mineralogy, 2000–2021.

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