| English thesaurus | |||
| |||
| PAR | |||
|
Photon : 55 phrases in 13 subjects |
| Antennas and waveguides | 2 |
| Communications | 1 |
| Earth sciences | 2 |
| Electronics | 8 |
| General | 1 |
| Health care | 2 |
| Lasers | 17 |
| Lighting other than cinema | 9 |
| Measuring instruments | 1 |
| Mechanic engineering | 1 |
| Medical | 5 |
| Microsoft | 1 |
| Physical sciences | 5 |