dirty float
noun[C]
ECONOMICS,FINANCEukusasituationin which thevalueof a country'scurrencyisallowedtochangeinrelationtoothers, but iscontrolledby the government'scentralbanktokeepit within aparticularrange:
Inourcurrentinternationalfinancialarrangement, called adirtyfloat,exchangeratesfluctuatefromdaytoday, butcentralbanksattempttoinfluencetheircountries'exchangeratesbybuyingandsellingcurrencies.