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Definitions

Century Dictionary and Cyclopedia

  1. n. An image perceived after withdrawing the eye from a brilliantly illuminated object. Such images are called positive when their colors are the same as those of the object, and negative when they are its complementary colors.
  2. n. In psychology, any phase of sensation which persists after the withdrawal of the exciting stimulus: as, a visual afterimage; an auditory after-image; an afterimage of pressure.

Wiktionary

  1. n. An image which persists or remains in negative after the original stimulation has ended.

GNU Webster's 1913

  1. n. The impression of a vivid sensation retained by the retina of the eye after the cause has been removed; also extended to impressions left of tones, smells, etc.

WordNet 3.0

  1. n. an image (usually a negative image) that persists after stimulation has ceased

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‘after-image’ has been looked up 947 times, loved by 2 people, added to 3 lists, and is not a valid Scrabble word.