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Meaning of corundum

Source language: EnglishDictionary language: English

corundum

Pronunciation:/kəˈɹʌn.dəm/

noun

Definitions

  1. 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.

Sources:https://en.wiktionary.org/wiki/corundum

Related words

corundomemerycurundumrubyaluminium oxidealuminum oxidealuminagarnet