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corundum

/kəˈrʌn.dəm/

corundumсуществительное

corundums

множ.

Переводы

Corundum is used as an abrasive due to its hardness.

Корунд используется как абразив из-за своей твердости.

Определения

A very hard mineral composed of aluminum oxide, used as an abrasive and in the manufacture of certain gemstones such as sapphires and rubies.

The jeweler examined the corundum to determine its quality before setting it into the ring.

Синонимы

corundumприлагательное

/kəˈrʌn.dəm/

Used attributively to describe objects made of or containing corundum.

Определения

Made of or containing corundum.

The technician replaced the worn stone with a corundum grinding wheel.

Синонимы

very hard