depreciation
/dɪˌpriːʃɪˈeɪʃən/noun
mass noun
1- a reduction in the value of an asset with the passage of time, due in particular to wear and tear（尤指财产因损耗而造成的）折旧贬值; （财产因时间而造成的）折旧。
1.1
- decrease in the value of a currency relative to other currencies（货币）贬值：
depreciation leads to losses for non-dollar based investors
货币贬值导致了非美元投资者的损失
count noun a currency depreciation.通货贬值。