Definition - optic axis

Below is the definition for the word you requested, useful for Scrabble and other word games. To find more definitions please use the dictionary page.

optic axis
  1. a line that passes through the center of curvature of a lens so that light is neither reflected nor refracted; "in a normal eye the optic axis is the direction in which objects are seen most distinctly"
  2. in a doubly refracting crystal, the line in the direction of which no double refraction occurs; "a crystal may have either one or two optic axes"
  3. a line that passes through the center of curvature of a lens so that light is neither reflected nor refracted