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corundum

UK
/kəˈrʌn.dəm/
US
/kəˈrʌn.dəm/

Traduzioni

corundumnoun
corundums
pl
Corundum is used as an abrasive due to its hardness.
Корунд используется как абразив из-за своей твердости.
Sinonimi
sapphire
ruby
emery
alumina
corundumadjective
UK
/kəˈrʌn.dəm/
US
/kəˈrʌn.dəm/
Used attributively to describe objects made of or containing corundum.
Sinonimi
stone-hard
very hard
ruby-like
sapphire-like
gem-quality
gemlike
abrasive
adamantine
aluminous

Definizioni

corundumnoun
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.
corundumadjective
Made of or containing corundum.
The technician replaced the worn stone with a corundum grinding wheel.
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