exchange rate mechanism
noun[S]
(alsoExchange Rate Mechanism)ukus(abbreviationERM)GOVERNMENT,ECONOMICS
thesystemin which agroupofEuropeancountriesagreedtocontrolthevalueoftheircurrenciesso thatexchangeratesbetween thecountriesdid notchangebeyondparticularlimits. Thissystemexistedbefore theeurostartedto be used as acurrency:
Marketpressuredrovethepoundout of Europe'sexchangeratemechanism.