अर्थ : In a doubly refracting crystal, the line in the direction of which no double refraction occurs.
उदाहरण :
A crystal may have either one or two optic axes.
अर्थ : A line that passes through the center of curvature of a lens so that light is neither reflected nor refracted.
उदाहरण :
In a normal eye the optic axis is the direction in which objects are seen most distinctly.
पर्यायवाची : principal axis
Optic axis ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Hindi. Optic axis ka matlab kya hota hai?