antihalation








noun

  1. the process of treating a film base with a light-absorbing substance to prevent refraction of light from the rear of the film.

adjective

  1. resistant to halation.

noun

  1. photog
    1. a process by which light, passing through the emulsion on a film or plate, is not reflected back into it but is absorbed by a layer of dye or pigment, usually on the back of the film, thus preventing halation
    2. (as modifier)antihalation backing

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