Meaning & Definition of Circulation in English

1. The dissemination of copies of periodicals (as newspapers or magazines)

2. Movement through a circuit

• Especially the movement of blood through the heart and blood vessels

3. (library science) the count of books that are loaned by a library over a specified period

4. Number of copies of a newspaper or magazine that are sold

• "By increasing its circulation the newspaper hoped to increase its advertising"

5. 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"

6. The spread or transmission of something (as news or money) to a wider group or area