optic axis
noun Crystallography.
(in a crystal exhibiting double refraction) the direction or directions, uniaxial or biaxial, respectively, along which this phenomenon does not occur.
Origin of optic axis
First recorded in 1655–65
Words nearby optic axis
opt-,
opt.,
optative,
optesthesia,
optic,
optic axis,
optic canal,
optic capsule,
optic chiasm,
optic chiasma,
optic cup
British Dictionary definitions for optic axis
optic axis
noun
the direction in a uniaxial crystal or one of the two directions in a biaxial crystal along which a ray of unpolarized light may pass without undergoing double refraction
Medical definitions for optic axis
optic axis
n.
The line connecting the anterior and the posterior poles of the eye.