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Definitioner

Substantiv

  1. (uncountable) the state of being luminous, or a luminous object; brilliance or radiance
  2. (physics) the ratio of luminous flux to radiant flux at the same wavelength; the luminosity factor
  3. (astronomy) the rate at which a star radiates energy in all directions

Böjningsformer

Pluralluminosities

Kategorier