Branch of physical science

• Study of light and vision
• Sudden movement in operations to make lenses
• Science of light and vision
• The branch of physics that studies the physical properties of light
• High-tech subject
• Science of vision/light
• Visionary science?

Longman Dictionary of Contemporary English Word definitions in Longman Dictionary of Contemporary English
noun COLLOCATIONS FROM OTHER ENTRIES fibre optics ▪ fibre optic cables COLLOCATIONS FROM CORPUS ■ NOUN fiber ▪ To head off competition, the telcos have invested heavily in fiber optics and sophisticated switching technology. ▪ But fiber optics may change ...

Wiktionary Word definitions in Wiktionary
n. 1 (label en physics) The physics of light and vision. 2 The light-related aspects of a device.

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Optics \Op"tics\, n. [Cf. F. optique, L. optice, Gr. ? (sc. ?). See Optic .] That branch of physical science which treats of the nature and properties of light, the laws of its modification by opaque and transparent bodies, and the phenomena of vision.