[mass noun]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 ■ 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。