Definition of callback noun from the Oxford Advanced Learner's Dictionary

     

    callback

     noun
    noun
    BrE BrE//ˈkɔːlbæk//
     
    ; NAmE NAmE//ˈkɔːlbæk//
     
    Making calls
     
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  1. 1[countable] a telephone call which you make to somebody who has just called you See related entries: Making calls
  2. 2Callback™ [uncountable, countable] = ringback
  3. 3 [uncountable, countable] (computing) a process by which the user of a computer or telephone system proves their identity by contacting a computer, which then contacts them
  4. 4[countable] (especially North American English) an occasion when you are asked to return somewhere, for example for a second interview when you are trying to get a job
See the Oxford Advanced American Dictionary entry: callback

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