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

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.