corundum

Significat (Anglès)

An extremely hard mineral, a form of aluminum oxide with the chemical formula Al₂O₃, that occurs in the form of the gemstones sapphire and ruby; it is used as an abrasive.

Conceptes

corindó

Sinònims

emery

diamond spar

corundom

electrolon

gem stone

hard jade

grinding compound

adamantine spar

admantine spar

emery sand

aluminium oxide

diamond grain

silicon carbide

carborundum

Traduccions

Korund

corindone

corindon

corindón

corindon

coríndon

korund

korindon

أكسيد الألمونيوم

zımpara

قرند

είδος σκληρότατου λίθου

κορούνδιο

corindo

Pronunciat com a (IPA)

/kəˈɹʌn.dəm/

Etimologia (Anglès)

From Tamil குருந்தம் (kuruntam, “ruby, sapphire”) First attested in the early 18th century.