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diffraction pattern

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noun

physics the distinctive pattern of light and dark fringes, rings, etc, formed by diffraction

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Which one of these commonly confused words can act as an adverb or a pronoun?
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Scientific definitions for diffraction pattern

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.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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