Meaning of CIRCULATION in English

CIRCULATION

cir ‧ cu ‧ la ‧ tion /ˌsɜːkjəˈleɪʃ ə n, ˌsɜːkjʊˈleɪʃ ə n $ ˌsɜːr-/ BrE AmE noun

[ Word Family: noun : ↑ circle , ↑ semicircle , ↑ circulation ; adjective : ↑ circular , ↑ semicircular , ↑ circulatory ; verb : ↑ circle , ↑ circulate ]

1 . [singular, uncountable] the movement of blood around your body:

Exercise improves the circulation.

good/bad circulation

Doctors had to remove her leg because of bad circulation.

2 . [uncountable] the exchange of information, money etc from one person to another in a group or society

in/out of circulation

Police believe there are thousands of illegal guns in circulation.

The book was taken out of circulation.

remove/withdraw something from circulation

The Treasury Department plans to remove older coins from circulation and replace them with new ones.

3 . [countable, usually singular] the average number of copies of a newspaper or magazine that are usually sold each day, week, month etc

circulation of

The newspaper has a daily circulation of 55,000.

4 . [uncountable and countable] the movement of liquid, air etc in a system:

Let’s open the windows and get some circulation in here.

5 . in circulation/out of circulation informal when someone takes part or does not take part in social activities at a particular time:

Sandy’s out of circulation until after her exams.

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.