 |
| |||
| circular; round | |||
| cyclic; cyclical | |||
| circumferential | |||
| коловий: 44 phrases in 11 subjects |
| Aerodynamics | 2 |
| Airports and air traffic control | 3 |
| Astronautics | 6 |
| Aviation | 10 |
| Construction | 1 |
| Earth sciences | 1 |
| General | 4 |
| Information technology | 10 |
| Military | 1 |
| Oil and gas | 3 |
| Technology | 3 |