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English definition of “circulation”

circulation

noun
 
 
/ˌsɜːkjəˈleɪʃən/
BLOOD [U] the movement of blood around your body: Exercise improves your circulation.The circulatory system and blood
INFORMATION [U] the movement of information, money, or goods between people: There are a lot of fake banknotes in circulation.Delivering and despatching
NEWSPAPERS [no plural] the number of copies of a newspaper or magazine that are sold each day, week, etcReadingNewspapers and magazines
(Definition of circulation from the Cambridge Learners Dictionary © Cambridge University Press)
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