English Lexicon

Afterimage

/ˈæf.tərˌɪm.ɪdʒ/
nounCEFR C1 (Advanced)Top #8500 frequency
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Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    An impression of a sensory stimulus, especially a visual one, that persists after the external stimulus has ceased.

    "Staring at the bright light bulb left a vivid green afterimage floating in her field of vision."
  2. 2

    A lingering mental impression or memory of something seen.

    "Long after leaving the art gallery, the striking afterimage of the painting remained in his mind."

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Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

Derived from the English elements 'after-' (denoting following or subsequent in time) and 'image' (from Latin 'imago', a copy, imitation, or likeness). The term emerged in the 19th century within the fields of physiological optics and psychology to describe the optical illusion of a visual image persisting after the original stimulus has been removed.

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