deflationKK [dɪˋfleʃən] /dɪˈfleɪʃən/發音de- 向下、除去+flat 吹+-ion 名詞→把吹進去的氣除去展開收合de-字首向下、除去flat字根吹-ion字尾名詞字面：把吹進去的氣除去放掉空氣即洩氣，用於經濟上指貨幣、物價收縮，即通貨緊縮，也比喻情緒消沉。名詞1通貨緊縮經濟The central bank cut rates to fight deflation and boost spending.央行降息以對抗通貨緊縮並刺激消費。2洩氣、放氣Slow deflation of the tire made the car pull to one side.輪胎慢慢洩氣，使得車子偏向一邊。3消沉、氣餒比喻After the rejection, he felt a sudden deflation of confidence.被拒絕之後，他的信心突然消沉下來。