Diffraction Grating (noun) Definition, Meaning & Examples

noun Physics.
  1. a band of equidistant, parallel lines, usually more than 5000 per inch (2000 per centimeter), ruled on a glass or polished metal surface for diffracting light to produce optical spectra.
noun
  1. a glass plate or a mirror with a large number of equidistant parallel lines or grooves on its surface. It causes diffraction of transmitted or reflected light, ultraviolet radiation, or X-rays
    Diffraction Grating (noun) Definition, Meaning & Examples

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