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 : optic axis
Principal axis ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Hindi. Principal axis ka matlab kya hota hai?