optics Meaning, Definition & Usage

  1. noun the branch of physics that studies the physical properties of light
  2. noun optical properties
    • the optics of a telescope
  3. noun the organ of sight
    eye; optic; oculus.

WordNet

Op"tics noun
Etymology
Cf. F. optique, L. optice, Gr. (sc. ). See Optic.
Definitions
  1. 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.

Webster 1913