a piece of printed paper money made available by a bank, usually a country's main bank; = bank bill AmE:
• Only the country's central bank has the right to issue banknotes.
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banknote UK US /ˈbæŋknəʊt/ noun [C] (US also bank bill, also bill) MONEY
► a piece of printed paper that has a particular value as money: »
a £20 banknote
»They issue both banknotes and coins.
Financial and business terms. 2012.