corundum

[US]/kəˈrʌndəm/
[UK]/kəˈrʌndəm/
Frequency: Very High

Translation

n.a hard mineral used as an abrasive and in making gems; the mineral form of aluminum oxide

Phrases & Collocations

corundum crystal

synthetic corundum

corundum abrasive

corundum gemstone

corundum powder

corundum structure

corundum variety

corundum hardness

corundum layer

corundum source

Example Sentences

corundum is a mineral that is used in abrasives.

ruby and sapphire are varieties of corundum.

the hardness of corundum makes it ideal for industrial applications.

corundum can be found in metamorphic rocks.

some gemstones are made from corundum crystals.

corundum is often used as a grinding material.

the blue color of sapphire comes from corundum.

corundum has a high melting point, making it useful in high-temperature applications.

corundum is classified as a hard mineral on the mohs scale.

jewelry made from corundum is highly valued.

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