optics
英 [ˈɒptɪks]
美 [ˈɑːptɪks]
n. 光学
Collins.1 / BNC.20417 / COCA.9313
牛津词典
noun
- 光学
the scientific study of sight and light
柯林斯词典
- See also:fibre optics
英英释义
noun
- optical properties
- the optics of a telescope
- the branch of physics that studies the physical properties of light