depreciation

英 [dɪ,priːʃɪ'eɪʃ(ə)n; -sɪ'eɪ-] 美[dɪ,priʃɪ'eʃən]

• n. 折旧；贬值

1. a decrease in price or value;

"depreciation of the dollar against the yen"

2. decrease in value of an asset due to obsolescence or use

3. a communication that belittles somebody or something