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Meaning of DIFFRACTION GRATING

Pronunciation:  di'frakshun 'greyting

 
WordNet Dictionary
 
 Definition: 
[n]  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
 
 Synonyms: grating
 
 See Also: echelon, optical device

 

 

 

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