English thesaurus | |||
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SAFER |
Spectral: 93 phrases in 14 subjects |
Acridology | 1 |
Antennas and waveguides | 7 |
Electronics | 7 |
Environment | 1 |
Forestry | 3 |
International Monetary Fund | 2 |
Lighting other than cinema | 29 |
Mathematics | 8 |
Metrology | 6 |
Piezoelectric crystals | 1 |
Radio | 2 |
Radiology | 1 |
Remote sensing | 20 |
Vacuum tubes | 5 |