 |
| English thesaurus | |||
| |||
| OPS | |||
|
Operator : 350 phrases in 38 subjects |
| Aeronautics | 1 |
| Agriculture | 1 |
| American usage, not spelling | 1 |
| Archiving | 1 |
| Astronautics | 4 |
| Aviation | 44 |
| Canada | 1 |
| Chemistry | 3 |
| Cinematography | 1 |
| Coal | 2 |
| Communications | 6 |
| Computers | 22 |
| Construction | 4 |
| Ecology | 1 |
| Economics | 4 |
| Electricity generation | 1 |
| European Union | 2 |
| Finances | 3 |
| General | 29 |
| Hobbies and pastimes | 1 |
| ICAO | 2 |
| Information technology | 86 |
| Labor law | 4 |
| Law | 7 |
| Logistics | 1 |
| Mathematics | 2 |
| Metallurgy | 4 |
| Microelectronics | 2 |
| Microsoft | 6 |
| Military | 72 |
| Mining | 1 |
| Nautical | 1 |
| Oil and gas | 1 |
| Shipbuilding | 1 |
| Stock Exchange | 1 |
| Technology | 21 |
| Telecommunications | 1 |
| Transport | 5 |