Definition of "currency" []

• Money in any form when in actual use as a medium of exchange, especially circulating paper money. (noun)
• Transmission from person to person as a medium of exchange; circulation: coins now in currency. (noun)
• General acceptance or use; prevalence: the currency of a slang term. (noun)
• The state of being current; up-to-dateness: Can you check the currency of this address? (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "As soon as facebook developers’ allotted banner ad space dries up, or the virtual currency/survey model dries up, the only thing left to monetize in the realm will be virtual gifts (* not virtual currency*), and being that Facebook already has a gift shop, they’ll be slopping up all the revenue."
• "Although the term "currency board" is somewhat contemporary, the Bank of England used this mechanism to manage its gold standard system in the 18th century."
• "Mr. Mantega, who popularized the term "currency war" a year ago to describe the political impact on emerging market countries to keep the value of their exports competitive amid a declining U.S. dollar, said he doesn't believe the wars are over."