depreciation

 
Pronunciation: /dɪˌpriːʃɪˈeɪʃ(ə)n, -sɪˈeɪ-/

noun

[mass noun]
  • a reduction in the value of an asset over time, due in particular to wear and tear: provision should be made for depreciation of fixed assets
  • a decrease in the value of a currency relative to other currencies: depreciation leads to losses for non-dollar based investors [count noun]: a currency depreciation