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What is another word for corundum?

Pronunciation: [kəɹˈʌndəm] (IPA)

Corundum is a mineral that comes in a variety of colors, including blue, pink, yellow, and brown. It is a naturally occurring crystalline form of aluminum oxide, and is usually found in metamorphic and igneous rocks. Corundum has a high hardness and is therefore used in a variety of industrial applications, from cutting tools to abrasives. Synonyms for corundum include ruby and sapphire, which are varieties of corundum that are colored red and blue, respectively. Other synonyms for corundum include emery, which is a mixture of corundum and other minerals used as an abrasive, and kyanite, which is a blue variety of corundum that is used in the production of refractory materials.
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Synonyms for Corundum:

What are the hypernyms for Corundum?

A hypernym is a word with a broad meaning that encompasses more specific words called hyponyms.

Usage examples for Corundum

It should, however, be mentioned that amongst the more coarsely ground emery it is no uncommon thing to find minute sapphires, taking sapphires in their broad, commercial meaning, as signifying any variety of corundum, except the red and the emery.
"The Chemistry, Properties and Tests of Precious Stones"
John Mastin
Then we have the "amethyst" sapphire, which varies from a red to a blue purple, being richer in colour than the ordinary amethyst, which is a form of violet-coloured quartz, but the corundum variety, which, like its companions, is called the "oriental" amethyst, is both rarer and more precious.
"The Chemistry, Properties and Tests of Precious Stones"
John Mastin
It will naturally be expected that a substance of such complexity and variety of composition must necessarily have a corresponding variety of colour; thus we find in this, as in the corundum, a wonderful range of tints.
"The Chemistry, Properties and Tests of Precious Stones"
John Mastin

Related words: corundum mineral, corundum definition, corundum hardness, corundum minerals, corundum spectral type, corundum chemical composition, corundum crystals

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