Circulation (noun)

1. The movement of a fluid or air through a system or network.
2. The distribution or dissemination of something, especially a publication, to a wide range of people or places.
3. The flow of blood through the heart and blood vessels.

Origin:

The word 'circulation' comes from the latin 'circulatio' which means 'a going around or round.'.

Examples:

1. The circulation of blood is necessary for maintaining good health.
2. The circulation of the library's books was restricted due to the COVID-19 pandemic.
3. The circulation of money helps to keep the economy going.
4. The newspaper had a large circulation, reaching millions of readers daily.
5. The circulation of air in the room was poor, making it stuffy.