›[U]ECONOMICS, MONEYthe use of a particular type of money or payment system in the economy: withdraw from/take out of circulationMany European currencies were withdrawn from circulation after the euro was adopted.come into/go into/be put into circulationThe new $100 bills will go into circulation early next year.Within just five years, the number of credit cards in circulation had tripled.
›[usually singular]COMMUNICATIONSthe typical number of copies of a newspaper or magazine that are sold every day, week, or month: a circulation of sthIt has a daily circulation of 400,000, making it the second-largest newspaper in the country.
›[U]the act of sending goods or information from one person to another or from one place to another: the circulation of sthDespite the circulation of the memo, the company's stock price in recent days has been soaring. → See alsovelocity of circulation