circulation has definitions from the fields of biology,mathematics
1
[ noun ] the dissemination of copies of periodicals (as newspapers or magazines)

Related terms

dissemination circulate

2
[ noun ] the opening of a subject to public discussion and debate

Used in print

(The Dallas Morning News,...)

`` You take out_of circulation many millions of dollars '' .

(High Fidelity, 11:10...)

From the beginning of commercial recording , new discs purported to be indistinguishable from The Real_Thing have regularly been put in circulation .

(Ann Hebson, The Lattimer Legend....)

What he was_about became clear to her with the circulation of another broadside proclamation by General_McClellan , threatening reprisals against Rebel guerrillas .

3
[ noun ] (biology) movement through a circuit; especially the movement of blood through the heart and blood vessels

Used in print

(The Times-Picayune, [New Orleans]...)

There are many possibilities , including poor circulation , a variety of neurological conditions , and functional disorders .

4
[ noun ] the spread or transmission of something (as news or money) to a wider group or area

Related terms

spread circulate

5
[ noun ] (mathematics) number of copies of a newspaper or magazine that are sold

Examples

"by increasing its circulation the newspaper hoped to increase its advertising"

Related terms

count circulate

6
[ noun ] (library science) the count of books that are loaned by a library over a specified period

Related terms

count library_science

7
[ noun ] free movement or passage especially through a circuit as of water through pipes or sap through a plant

Related terms

change_of_location plant

*