Definition, Meaning & Synonyms
corundum
Noun
/kəˈrʌn.dəm/
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Definition
A naturally occurring mineral that is a crystalline form of aluminum oxide.
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Examples
- Corundum is often used as an abrasive material due to its hardness.
- The famous Hope Diamond has a corundum base that adds to its durability.
- A variety of corundum, known as sapphire, is prized for its beautiful blue color.
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Meaning
Corundum is a hard, crystalline substance that is commonly found in the form of sapphires and rubies.
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Synonyms
- Aluminum oxide
- Corundum crystal
- Sapphire (variety)