Definitions for optic axis

This page provides all possible meanings and translations of the word optic axis

Random House Webster's College Dictionary

op′tic ax′is(n.)

  1. the direction or directions in a crystal along which light is not doubly refracted.

    Category: Crystallography

Origin of optic axis:

1655–65

Princeton's WordNet

  1. optic axis(noun)

    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"

  2. principal axis, optic axis(noun)

    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"

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