Englishfor English speakers
currency
Noun
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A currency is the money from a particular country.
A person going abroad can obtain foreign currency notes and travellers' cheques from his own bank.
The US dollar ended lower against most other currencies in London.
Since then the exchange value of the currency has fallen by 78%.
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If something has currency, it is generally accepted.
After the war, these new ideas began to gain currency.
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The state of being up to date.
A book's bibliography can be a good indicator of currency in the text.
swap
Verb
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If you swap one thing for another, you give one thing to somebody and they give you the other thing.
I like your pencil and you like my pen. Let's swap, shall we?
swap
Noun
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A swap is an exchange.
I think that our swap was a bad idea.