afterimage afterhours • afterimpression · · · Info · Definitions · Synonyms · Characters · · afterimage · · Text Latin · · Script 10 · · Length Definitions · · · (noun) an image (usually a negative image) that persists after stimulation has ceased. Synonyms: aftersensation. · · Noun Definition 1 Synonyms · · · aftersensation · · Synonym 1 Characters · · a latin small letter a U+0061 e latin small letter e U+0065 f latin small letter f U+0066 g latin small letter g U+0067 i latin small letter i U+0069 m latin small letter m U+006D r latin small letter r U+0072 t latin small letter t U+0074