corundum

Senso (Inglese)

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.

Concetti

corindone

sinonimi

emery

diamond spar

corundom

electrolon

gem stone

hard jade

grinding compound

adamantine spar

admantine spar

emery sand

aluminium oxide

diamond grain

silicon carbide

carborundum

Traduzioni

Korund

corindon

corindón

corindó

corindon

coríndon

korund

korindon

أكسيد الألمونيوم

zımpara

قرند

είδος σκληρότατου λίθου

κορούνδιο

corindo

Pronunciato come (IPA)

/kəˈɹʌn.dəm/

Etimologia (Inglese)

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