名詞 depreciation:

1. a decrease in price or value
2. decrease in value of an asset due to obsolescence or use
   同義詞：wear and tear
3. a communication that belittles somebody or something
   同義詞：disparagement, derogation

de.pre.ci.a.tion

n.（名詞）
A decrease or loss in value, as because of age, wear, or market conditions.
降價，減值：由于老化、磨損或市場條件而造成價值上的減少或損失
Accounting An allowance made for a loss in value of property.
【會計學】 折舊：對財物價值的損失所作的折扣
Reduction in the purchasing value of money.
貶值：錢的購買價值的降低
An instance of disparaging or belittlement.
輕視，蔑視