 |
| English thesaurus | |||
| |||
| SB | |||
|
Spectral : 128 phrases in 14 subjects |
| Antennas and waveguides | 5 |
| Computers | 5 |
| Construction | 1 |
| Electronics | 4 |
| General | 20 |
| Lighting other than cinema | 36 |
| Metrology | 2 |
| Nuclear physics | 1 |
| Physics | 40 |
| Piezoelectric crystals | 1 |
| Radio | 1 |
| Radiology | 1 |
| Technology | 6 |
| Vacuum tubes | 5 |