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English definition of “circulation”

circulation

noun uk   /ˌsɜː.kjʊˈleɪ.ʃən/ us    /ˌsɝː-/
[U] the process in which something such as information, money, or goods passes from one person to another: Police have warned that there are a lot of fake £50 notes in circulation. Add her name to the circulation list for this report (= the people who will be given it to read).figurative I hear she's out of circulation/back in circulation (= taking part/not taking part in social activities) after her accident. C2 [C usually singular] the number of people that a newspaper or magazine is regularly sold to: The paper has a circulation of 150,000. C2 [U] the movement of blood around the body: Exercise helps to improve circulation.
(Definition of circulation from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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