| Chinese (simplified) | 光学 |
| English | optics ( ⊳ ) |
| Indonesian | optik |
| Japanese | 光学 |
| Hyponym: | catoptrics holography |
| Hypernym: | physics |
| In Domain–Category: | bifocal aplanatic apochromatic aspheric collimate refract reflect resolve aberrate meniscus stigmatism astigmatism |
| Semantic Field: | cognitionn |