Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun diffraction_grating

1 sense of diffraction grating

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)
       => optical device -- (a device for producing or controlling light)