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afterimage

[af-ter-im-ij, ahf-]
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noun Psychology.
  1. a visual image or other sense impression that persists after the stimulus that caused it is no longer operative.
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Origin of afterimage

1875–80; translation of German Nachbild; see after, image
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for afterimage

afterimage

noun
  1. a sustained or renewed sensation, esp visual, after the original stimulus has ceasedAlso called: aftersensation, photogene
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

afterimage in Medicine

afterimage

(ăftər-ĭm′ĭj)
n.
  1. A visual image that persists after the visual stimulus causing it has ceased to act.photogene
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.