Meaning of diffraction spectrum in English:

diffraction spectrum

noun

  • A spectrum produced by diffraction.

    A diffraction spectrum can take various forms, such as bands or fringes of light, or a two-dimensional array of dots or short lines. When used for analysis it may be represented as a graph with peaks corresponding to the angular distribution of the diffracted radiation.

Origin

Mid 19th century; earliest use found in Reports of the British Association for the Advancement of Science.