How to Pronounce "corundum"
word
kɝˈəndəm
ker-UHN-duhm
kəɹˈʌndəm
kuh-RUN-duhm
Definition
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.
IPA Transcription
American English
kɝˈəndəm
British English
kəɹˈʌndəm
Simplified Pronunciation
US
ker-UHN-duhm
UK
kuh-RUN-duhm
Listen in Context
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?