• noun an area which is not affected by sunlight
  • An image, shape, or area which is dark due to the interception of light rays by an opaque body or entity.
  • An area of relative darkness. Also, the dark or darker portions of an image.
  • A region where radiation, such as light, X-rays, or sound does not reach, due to the interception by a body, entity, or medium through which such radiation can not pass. Also, such a region present on a film, such as that of an X-ray.

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