| ionization | |
| gen. | production d'ions |
| earth.sc. el. | ionisation |
| med. | cataphorèse; électrophorèse |
|
Townsend : 25 phrases in 9 subjects |
| Antennas and waveguides | 1 |
| Earth sciences | 4 |
| Environment | 1 |
| Mammals | 5 |
| Natural resourses and wildlife conservation | 1 |
| Ornithology | 1 |
| Radiation | 10 |
| Technology | 1 |
| Zoology | 1 |