| |||
| espira f; hélice f | |||
| hélice de inscripción | |||
| hélix | |||
| espiral m; helicoidal | |||
|
helix : 41 phrases in 13 subjects |
| Agriculture | 1 |
| Antennas and waveguides | 1 |
| Chemistry | 1 |
| Earth sciences | 2 |
| Electronics | 12 |
| Health care | 2 |
| Industry | 1 |
| Mechanic engineering | 13 |
| Medical | 3 |
| Natural sciences | 1 |
| Telegraphy | 1 |
| Textile industry | 2 |
| Transport | 1 |