odd multiple of
| a half
| wavelength
| odd multiple of | |
| microel. | ungerades Vielfaches von |
| a half | |
| gen. | Hälfte |
| wavelength | |
| gen. | Wellenlänge |
| earth.sc. | Wellenlaenge |
| el. | Wellenläge |
| |||
| ungerades Vielfaches von | |||
|
odd multiple of : 1 phrase in 1 subject |
| Optics branch of physics | 1 |