circulation

Everyday

1. Circulation is the movement of blood around your body, pumped by the heart. tree →
2. Circulation is movement of air or water around a place: «good air circulation». tree →
3. Circulation is the passing of something from person to person: «coins in circulation». tree →
4. The circulation of a newspaper or magazine is how many copies are sold. tree →

In the lessons

In science lessons on the human body pupils learn about the heart, blood vessels and the circulatory system; exercise is good for circulation. In everyday life cold fingers can mean poor circulation. In money and news, «in circulation» means being used or passed around. Phrases: in circulation, out of circulation, blood circulation.

Examples

• Exercise is good for your circulation. tree →
• The heart pumps blood for circulation around the body. tree →
• Open the window for better air circulation. tree →
• These old coins are no longer in circulation. tree →
• The newspaper has a circulation of fifty thousand. tree →
• My toes went numb because of poor circulation. tree →
• Nevertheless, it is told upon the plantations with great gusto, and there are several versions in circulation. tree →

Note

Adjective «circulatory» (the circulatory system). Verb «circulate». In maths and news, «circulation» is a number of copies, not a circle.