Como Pronunciar "corundum"
word
kɝˈəndəm
ker-UHN-duhm
kəɹˈʌndəm
kuh-RUN-duhm
Definição
Corundum is a very hard mineral made of aluminum oxide, often used as an abrasive. When it is transparent and colored, it becomes precious gems like rubies and sapphires.
Transcrição IPA
Inglês Americano
kɝˈəndəm
Inglês Britânico
kəɹˈʌndəm
Pronúncia Simplificada
EUA
ker-UHN-duhm
UK
kuh-RUN-duhm
Ouça em Contexto
Corundum is one of the hardest natural minerals.
The gemstone ruby is actually red corundum.
Corundum is used in some types of sandpaper.
Did you know sapphires are just blue corundum?