| Vortspeco | substantivo |
|---|---|
| Prononco | /ˈradijəm/, /ˈradijɵm/ |
| Divido | ra·di·um |
| Genro | neŭtra |
| angla | radium |
|---|---|
| esperanto | radiumo |
| franca | radium |
| germana | Radium |
| greka | ράδιο |
| hispana | radium; radio |
| islanda | radín; radíum |
| kataluna | radi |
| portugala | rádio |
| saterlanda frizona | Radium |
| surinama | radimi |