Definition: Meaning of, diffraction grating in English to English dictionary.
Pronunciation:/ dɪˈfrakʃn ˈɡreɪtɪŋ /
noun
synonym
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Singular
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diffraction grating
diffraction gratings
or other electromagnetic radiation optical device consisting of a surface with many parallel grooves in it; disperses a beam of light into its wavelengths to produce its spectrum