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| optisk | |||
| English thesaurus | |||
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| o | |||
| optical effect | |||
| opt. | |||
| optical: 139 phrases in 16 subjects |
| Antennas and waveguides | 14 |
| Chemistry | 1 |
| Communications | 2 |
| Earth sciences | 3 |
| Electronics | 26 |
| General | 2 |
| Industry | 7 |
| Information technology | 10 |
| Life sciences | 3 |
| Lighting other than cinema | 6 |
| Microsoft | 3 |
| Patents | 54 |
| Physical sciences | 2 |
| Radio | 1 |
| Transport | 3 |
| Video recording | 2 |