circulation
noun
cir·cu·la·tion
ˌsər-kyə-ˈlā-shən 
1
: orderly movement through a circuit
especially
: the movement of blood through the vessels of the body induced by the pumping action of the heart
2
: flow
3
a
: passage or transmission from person to person or place to place
especially
: the interchange of currency
coins in circulation
b
: the extent of dissemination: such as
(1)
: the average number of copies of a publication sold over a given period
(2)
: the total number of items borrowed from a library
Examples of circulation in a Sentence
He has bad circulation in his legs.
The drug improves blood circulation.
The attic has poor air circulation.
the circulation of ocean waters
Let's open the windows to get some circulation in here.
This memo is not meant for circulation.
The coins have recently entered circulation.
Recent Examples on the Web
Centella asiatica is a standout for soothing irritation and supporting the scalp barrier, while ginseng is prized for stimulating circulation and supporting stronger roots.
—
Christa Joanna Lee, Allure, 24 Feb. 2026
Regular, moderate movement improves circulation and waste elimination without overloading the system.
—Mélanie Defouilloy, Vogue, 24 Feb. 2026
Instead, storm impacts depend heavily on existing circulation patterns and density structures.
—Neetika Walter, Interesting Engineering, 23 Feb. 2026
Spend your days soaking in the mineral spring water, said to boost circulation and improve skin health, and stay overnight to experience the pools after dark.
—Cu Fleshman, Travel + Leisure, 23 Feb. 2026
See All Example Sentences for circulation
Examples are automatically compiled from online sources to
show current usage.
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Christa Joanna Lee, Allure, 24 Feb. 2026
Regular, moderate movement improves circulation and waste elimination without overloading the system.
—Mélanie Defouilloy, Vogue, 24 Feb. 2026
Instead, storm impacts depend heavily on existing circulation patterns and density structures.
—Neetika Walter, Interesting Engineering, 23 Feb. 2026
Spend your days soaking in the mineral spring water, said to boost circulation and improve skin health, and stay overnight to experience the pools after dark.
—Cu Fleshman, Travel + Leisure, 23 Feb. 2026
See All Example Sentences for circulation
Cite this Entry
“Circulation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/circulation. Accessed 25 Feb. 2026.
Copy CitationKids Definition
circulation
noun
cir·cu·la·tion
ˌsər-kyə-ˈlā-shən
1
: orderly movement through a circuit
especially
: the movement of blood through the vessels of the body caused by the pumping action of the heart
2
a
: passage from person to person or place to place
coins in circulation
b
: the average number of copies (as of a newspaper) sold over a given period
Medical Definition
circulation
noun
cir·cu·la·tion
ˌsər-kyə-ˈlā-shən
: the movement of blood through the vessels of the body that is induced by the pumping action of the heart and serves to distribute nutrients and oxygen to and remove waste products from all parts of the body see pulmonary circulation, systemic circulation
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