CIRCULATION

Definition

1. noun the dissemination of copies of periodicals (as newspapers or magazines).
2. noun movement through a circuit.
3. noun (library science) the count of books that are loaned by a library over a specified period.
4. noun number of copies of a newspaper or magazine that are sold.
5. noun free movement or passage (as of cytoplasm within a cell or sap through a plant).
6. noun the spread or transmission of something (as news or money) to a wider group or area.