Definition of aftersensation
English to English noun - an image (usually a negative image) that persists after stimulation has ceased
source: WordNet 3.0 - A sensation or sense impression following the removal of a stimulus producing a primary sensation, and reproducing the primary sensation in positive, negative, or complementary form. The aftersensation may be continuous with the primary sensation or follow it after an interval.
source: Webster 1913
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