de·pre·ci·a·tion /dɪˌpriːʃɪˈeɪʃən/ n. 1. 减值；降价，跌价；贬值 The depreciation of a car is greatest during its first year. 汽车在第一年减值最大。 a currency depreciation 通货贬值 2. 贬低，轻视 make some bitter remarks in depreciation of one's enemies 说了些讥刺的话表示对敌人的蔑视 3. 〈美〉折旧 the rate of depreciation 折旧率