English thesaurus | |||
| |||
o | |||
optical effect | |||
opt. |
optical : 27 phrases in 11 subjects |
Chemistry | 6 |
Communications | 4 |
Economics | 3 |
Electronics | 1 |
General | 1 |
Metallurgy | 1 |
Microsoft | 1 |
Natural sciences | 1 |
Physical sciences | 3 |
Technology | 1 |
Transport | 5 |