Definition of afterglow noun from the Oxford Advanced American Dictionary

     

    afterglow

     noun
    noun
    NAmE//ˈæftərˌɡloʊ//
     
    [usually singular](literary)
     
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  1. 1the light that is left in the sky after the sun has set the lingering sunset which left a distinctive purple afterglow
  2. 2a pleasant feeling after a good experience He was basking in the afterglow of love.
See the Oxford Advanced Learner's Dictionary entry: afterglow