使通貨廢止使用
Demonetize \De*mon"e*tize\ (?; see {Monetary}), v. t. To deprive of current value; to withdraw from use, as money. They [gold mohurs] have been completely demonetized by the [East India] Company. --R. Cobden.
demonetize v : deprive of value for payment; "demonetize a coin" [syn: {demonetise}]