| |||
| infrared light | |||
| infra-red rays | |||
| infrared rays | |||
| |||
| infrared beam | |||
|
rayons infrarouges : 32 phrases in 11 subjects |
| Agriculture | 1 |
| Automated equipment | 13 |
| Communications | 5 |
| Earth sciences | 4 |
| Electronics | 3 |
| Health care | 1 |
| Industry | 1 |
| Natural resourses and wildlife conservation | 1 |
| Natural sciences | 1 |
| Technology | 1 |
| Transport | 1 |