| type surface | |
| tech. | Typenflaeche |
| wave | |
| gen. | Welle; Woge; flattern; wehen |
| industr. construct. | Schwinge; moirieren |
| industr. construct. met. | Martellage |
| stat. | Serie |
| tech. | Schwall |
| tech. industr. construct. | Welligkeit |
|
Sommerfeld : 21 phrases in 6 subjects |
| Antennas and waveguides | 2 |
| Electronics | 2 |
| Optics branch of physics | 1 |
| Physics | 14 |
| Semiconductors | 1 |
| Technology | 1 |