"circulation" in the noun sense
the dissemination of copies of periodicals (as newspapers or magazines)
movement through a circuit especially the movement of blood through the heart and blood vessels
library science) the count of books that are loaned by a library over a specified period
number of copies of a newspaper or magazine that are sold
"by increasing its circulation the newspaper hoped to increase its advertising"
free movement or passage (as of cytoplasm within a cell or sap through a plant
"ocean circulation is an important part of global climate"
"a fan aids air circulation"
the spread or transmission of something (as news or money) to a wider group or area
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