radium

/ˈreɪdiəm/

Syllables ra·di·um

Stress RA-di-um

Phonics Breakdown

ra

/reɪ/

long a_e

di

/di/

short i

um

/əm/

schwa

Meaning

a radioactive chemical element (symbol Ra)

Sound Reference

💡

ra=/reɪ/(ray) + di=/di/(diode) + um=/əm/(album)

Example

Radium was once used in early medical treatments.