Synonym: straal
| Part of speech | common noun |
|---|---|
| Pronunciation | /ˈradijəs/, /ˈradijɵs/ |
| Hyphenation | ra·di·us |
| Gender | masculine |
| Plural | radiussen, radii /ˈradii/ |
| Albanian | rreze |
|---|---|
| English | radius |
| Esperanto | duondiametro; radiuso; radio |
| German | Radius |
| Greek | ακτίνα |
| Italian | raggio |
| Spanish | radio |