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English noun: optic axis

1. optic axis (cognition) in a doubly refracting crystal, the line in the direction of which no double refraction occurs


SamplesA crystal may have either one or two optic axes.


Broader (hypernym)axis

2. optic axis (cognition) a line that passes through the center of curvature of a lens so that light is neither reflected nor refracted


SamplesIn a normal eye the optic axis is the direction in which objects are seen most distinctly.


Synonymsprincipal axis


Broader (hypernym)axis









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