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diffraction grating
 
Noun diffraction grating has 1 sense
  1. diffraction grating, grating - optical device consisting of a surface with many parallel grooves in it; disperses a beam of light (or other electromagnetic radiation) into its wavelengths to produce its spectrum
    --1 is a kind of optical device
    --1 has particulars: echelon
diffidnece diffinative diffirence diffirences difflection difflugia diffract diffraction diffraction grating diffration diffrence diffrent diffuclities diffult diffuse diffuse nebula diffused

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