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

     

    depreciation

     noun
    noun
    BrE BrE//dɪˌpriːʃiˈeɪʃn//
     
    ; NAmE NAmE//dɪˌpriːʃiˈeɪʃn//
     
    [uncountable]
     
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  1. 1a decrease in value over a period of time currency depreciation opposite appreciation (4)
  2. 2(business) the act of reducing the value, as stated in the company's accounts, of a particular asset over a particular period of time the depreciation of fixed assets