deflation

名词 deflation:

1. (geology) the erosion of soil as a consequence of sand and dust and loose rocks being removed by the wind
2. a contraction of economic activity resulting in a decline of prices
3. the act of letting the air out of something

de.fla.tion

n.（名词）
The act of deflating or the condition of being deflated.
放气，瘪掉：抽气的动作或缩小的状态
Economics A persistent decrease in the level of consumer prices or a persistent increase in the purchasing power of money because of a reduction in available currency and credit.
【经济学】 通货紧缩：由于可获得货币和信贷的减少，导致消费品价格水平的持续下降或货币购买力的持续提高

【引伸】
defla.tionar.y
defla.tionist
n.（名词）