| English thesaurus | |||
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| IR | |||
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Index : 436 phrases in 25 subjects |
| Antennas and waveguides | 15 |
| Buddhism | 2 |
| Computers | 24 |
| Construction | 10 |
| Economics | 3 |
| Electrical engineering | 2 |
| Electricity generation | 1 |
| Electronics | 8 |
| General | 212 |
| Geology | 2 |
| International Monetary Fund | 8 |
| Isolation | 9 |
| Lighting other than cinema | 8 |
| Linguistics | 1 |
| Magnetics | 2 |
| Microsoft | 37 |
| Physics | 20 |
| Radio | 5 |
| Radiology | 2 |
| Reliability | 5 |
| Slang | 1 |
| Technology | 56 |
| Telegraphy | 1 |
| Thermal Energy | 1 |
| Video recording | 1 |