Its primary role has been " black exclusion and debasement" .
它的主要作用是“排斥和贬低黑人”。
国富论（二）
This event was the great debasement of the silver coin, by clipping and wearing.
这个事件是银币的大贬值， 通过剪裁和磨损。
CNBC全球经济分析
That comes down to two main factors: debasement and inflation.
这归结为两个主要因素：贬值和通货膨胀。
英语百科
Debasement
Debasement is the practice of lowering the value of currency. It is particularly used in connection with commodity money such as gold or silver coins. A coin is said to be debased if the quantity of gold, silver, copper or nickel is reduced.