Englishfor English speakers
scarce
Adjective
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If something is scarce, then there is almost nothing to very little left.
Scientists predict that there will be a scarce supply of oil in the next fifty years.
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.