Definition of phosphorescent adjective from the Oxford Advanced American Dictionary

     

    phosphorescent

     adjective
    adjective
    NAmE//ˌfɑsfəˈrɛsnt//
     
    (technology)
     
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  1. 1producing a faint light in the dark compare fluorescent
  2. 2producing light without heat or with so little heat that it cannot be felt
phosphorescence
 
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NAmE//ˌfɑsfəˈrɛsns//
 
noun [uncountable]
See the Oxford Advanced Learner's Dictionary entry: phosphorescent