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
Now, though, with the widespread circulation of magic manuals, grimoires, and related compendia—with the recording, on paper, of words, spells, histories, stories—witchcraft has taken an irreversible step into the exoteric realm.
—
Kristen Roupenian, New Yorker, 6 Apr. 2026
Mohapi explains that a good growth spray, typically formulated with ingredients like caffeine, biotin, and peptides, can help stimulate circulation and support the follicle before the hair even breaks the surface.
—Iman Balagam, Vogue, 6 Apr. 2026
Walking Walking is an accessible form of exercise that benefits joint health, mood, and circulation, says Hribick.
—Sherri Gordon, Health, 6 Apr. 2026
Like other print magazines, SI has seen a sharp falloff in its circulation, currently at 400,000, down from 3 million in 2010.
—Los Angeles Times, 5 Apr. 2026
See All Example Sentences for circulation
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Kristen Roupenian, New Yorker, 6 Apr. 2026
Mohapi explains that a good growth spray, typically formulated with ingredients like caffeine, biotin, and peptides, can help stimulate circulation and support the follicle before the hair even breaks the surface.
—Iman Balagam, Vogue, 6 Apr. 2026
Walking Walking is an accessible form of exercise that benefits joint health, mood, and circulation, says Hribick.
—Sherri Gordon, Health, 6 Apr. 2026
Like other print magazines, SI has seen a sharp falloff in its circulation, currently at 400,000, down from 3 million in 2010.
—Los Angeles Times, 5 Apr. 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 10 Apr. 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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