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Definition of Refraction:
The process by which the direction of a wave moving in shallow water at an angle to the contours is changed so that the wave crests tend to become more aligned with those contours.[1].
This is the common definition for Refraction, other definitions can be discussed in the article


  1. CIRIA (1996). Beach management manual. CIRIA Report 153.

See also

  1. Wave transformation
  2. Shallow-water wave theory
  3. Diffraction