demonetize [
di:'mʌnitaiz]
vt. (使通货)废止使用
demonetize
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.