How to Pronounce "radium"
word
ˈɹeɪdiəm
RAY-dee-um
ɹˈeɪdiəm
RAY-dee-um
Definition
Radium is a highly radioactive, silvery-white metal element discovered by Marie and Pierre Curie. It was used in the past for glow-in-the-dark products and some medical treatments, but is dangerous due to its radioactivity.
IPA Transcription
American English
ˈɹeɪdiəm
British English
ɹˈeɪdiəm
Simplified Pronunciation
US
RAY-dee-um
UK
RAY-dee-um
Listen in Context
Radium was discovered by Marie Curie in 1898.
Radium is a radioactive element.
Old clocks used radium to make the dials glow.
People didn’t know how dangerous radium was when it was first used.