Refraction (noun) Definition, Meaning & Examples

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noun
  1. the change of direction of a ray of light, sound, heat, or the like, in passing obliquely from one medium into another in which its wave velocity is different.
  2. Ophthalmology.
    • the ability of the eye to refract light that enters it so as to form an image on the retina.
    • the determining of the refractive condition of the eye.
  3. Astronomy.
    • the amount, in angular measure, by which the altitude of a celestial body is increased by the refraction of its light in the earth's atmosphere, being zero at the zenith and a maximum at the horizon.
    • the observed altered location, as seen from the earth, of another planet or the like due to diffraction by the atmosphere.
noun
  1. the change in direction of a propagating wave, such as light or sound, in passing from one medium to another in which it has a different velocity
  2. the amount by which a wave is refracted
  3. the ability of the eye to refract light
  4. the determination of the refractive condition of the eye
  5. the apparent elevation in position of a celestial body resulting from the refraction of light by the earth's atmosphere
    Refraction (noun) Definition, Meaning & Examples

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