circulationcir·cu·la·tion /ˌsɜːkjəˈleɪʃənˌsɜːr-/ noun1[uncountableU] the exchange of money within an economyIt was a bold anti-inflation plan, including a squeeze on the circulation of money.
2[uncountableU]ECONOMICS if money is in circulation, it is being used by people in an economy. If money is out of circulation, it is not being usedThe old notes are being withdrawn from circulation.
An obvious sign of hyperinflation is the massive increase in the quantity of money in circulation.
3[countableC usually singular] the average number of copies of a newspaper or magazine that are sold each day, week, or monthThe paper’s circulation increased by 150,000.
a mass circulation (=selling a very large number of copies) newspaper