noun
a visual image that persists after a stimulus has been removed
adjective
relating to or being an afterimage
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The afterimage of the bright light lingered in his vision for a few moments.
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I kept seeing afterimages of the fireworks in my eyes after the show.
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Dude, I swear I saw some trippy afterimages after staring at that neon sign for too long.
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The afterimage of her smile stayed with him long after she had left.