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
Each ergonomic Nuage seat fully reclines to improve circulation and reduce back pressure.
—
Rachel Cormack, Robb Report, 8 June 2026
Some match the region of the equatorial Pacific where the El Niño/La Niña seesaw plays out, others point to an area just south of Greenland important to Atlantic Ocean circulation, and so on.
—ArsTechnica, 8 June 2026
That makes the conventional idea of retiring at 65 the single most dangerous piece of retirement advice in circulation.
—Jon Sabes, Fortune, 7 June 2026
Bruno Fernandes pulls the strings in the final third with the precision of his right foot, Paris Saint-Germain star Vitinha is essential in speeding up circulation in midfield and maintaining possession, and Bernardo Silva is decisive from the right wing, often popping up in unexpected spaces.
—Esteban Campanela, CNN Money, 7 June 2026
See All Example Sentences for circulation
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show current usage.
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Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
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Rachel Cormack, Robb Report, 8 June 2026
Some match the region of the equatorial Pacific where the El Niño/La Niña seesaw plays out, others point to an area just south of Greenland important to Atlantic Ocean circulation, and so on.
—ArsTechnica, 8 June 2026
That makes the conventional idea of retiring at 65 the single most dangerous piece of retirement advice in circulation.
—Jon Sabes, Fortune, 7 June 2026
Bruno Fernandes pulls the strings in the final third with the precision of his right foot, Paris Saint-Germain star Vitinha is essential in speeding up circulation in midfield and maintaining possession, and Bernardo Silva is decisive from the right wing, often popping up in unexpected spaces.
—Esteban Campanela, CNN Money, 7 June 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 11 Jun. 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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