demonetize
Concise Oxford English Dictionary © 2008 Oxford University Press:
demonetize /diːˈmʌnɪtʌɪz/ (or demonetise /diːˈmʌnɪtʌɪz, -ˈmɒn-/)
▶verb deprive (a coin or precious metal) of its status as money.
– derivatives
demonetization noun.
demonetization noun.
– origin C19: from Fr. démonétiser, from dé- (expressing reversal) + L. moneta ‘money’.
'demonetize' also found in these Oxford entries:

