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English definition of “greenback”

greenback

noun [C]
 
 
/ˈɡriːnbæk/ US informal MONEY
the American dollar, as referred to in relation to currency trading: Economic growth will affect the global demand for greenbacks. The new currency has lost around 10% of its value against the greenback.
(Definition of greenback from the Cambridge Business English Dictionary © Cambridge University Press)
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