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diffraction dif·frac·tion (dĭ-frāk'shən)
Change in the directions and intensities of a group of waves after passing by an obstacle or through an aperture.
The bending and spreading of a wave, such as a light wave, around the edge of an object. See more at wave.
|diffraction pattern |
The interference pattern that results when a wave or a series of waves undergoes diffraction, as when passed through a diffraction grating or the lattices of a crystal. The pattern provides information about the frequency of the wave and the structure of the material causing the diffraction. See also interferometer.