ค้นหาอัตโนมัติโดยใช้ *optic ax*
WordNet (3.0) WordNet (3.0)
(n) in a doubly refracting crystal, the line in the direction of which no double refraction occurs, Example:a crystal may have either one or two optic axes
(n) a line that passes through the center of curvature of a lens so that light is neither reflected nor refracted, Syn. optic axis, Example:in a normal eye the optic axis is the direction in which objects are seen most distinctly
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