an act or instance of circulating, moving in a circle or circuit, or flowing.
the continuous movement of blood through the heart and blood vessels, which is maintained chiefly by the action of the heart, and by which nutrients, oxygen, and internal secretions are carried to and wastes are carried from the body tissues.
any similar circuit, passage, or flow, as of the sap in plants or air currents in a room.
the transmission or passage of anything from place to place or person to person: the circulation of a rumor; the circulation of money.
the distribution of copies of a periodical among readers.
the number of copies of each issue of a newspaper, magazine, etc., distributed.
coins, notes, bills, etc., in use as money; currency.
the lending of library books and other materials.
the number of books and materials that a library has lent.
the processes connected with providing for the use of library materials, including reserve operations, recall, and record-keeping.
Hydraulics. a quantity analogous to work and equal to the line integral of the component of fluid velocity about a closed contour.
Idioms about circulation
in circulation, participating actively in social or business life: After a month in the hospital, he's back in circulation.
- cir·cu·la·ble [sur-kyuh-luh-buhl], /ˈsɜr kyə lə bəl/, adjective
- in·ter·cir·cu·la·tion, noun
- non·cir·cu·la·tion, noun
- pre·cir·cu·la·tion, noun
- re·cir·cu·la·tion, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use circulation in a sentence
Representatives of the tech community recorded a video which has had wide circulation on social media, supporting the detained employees.Belarus tech industry rallies around arrested PandaDoc colleagues in new video | Mike Butcher | September 11, 2020 | TechCrunch
Indeed, since Facebook’s algorithms give more weight to posts with some time and circulation behind them, Zuckerberg’s ban might not have any significant impact at all.Why Facebook’s political-ad ban is taking on the wrong problem | Tate Ryan-Mosley | September 6, 2020 | MIT Technology Review
This technique is proven to increase circulation and reduce soreness.
Until that moment, the movement was not being widely covered in the mainstream press, but the video’s circulation compelled larger media organizations to pay attention.How an overload of riot porn is driving conflict in the streets | Bobbie Johnson | September 3, 2020 | MIT Technology Review
Elsewhere, revenue within its “news media” business — which includes The New York Post and The Times of London — declined 41%, which included decreases in both advertising and circulation revenue.How the world’s biggest media companies fared through the ongoing crisis in Q2 | Lara O'Reilly | August 12, 2020 | Digiday
And besides, the studies that do enjoy widespread media circulation focus on a very narrow segment of the LGBT community: gay men.
The Vatican says it is doing everything it can to take pedophile priests out of circulation.
A three-way tabloid circulation war was being waged amid a three-way mayoral election.
At its height, The Source had a reported circulation of 500,000 and was outselling Rolling Stone on the newsstand.It Was All a Dream: Drama, Bullshit, and the Rebirth of The Source Magazine | Alex Suskind | October 14, 2014 | THE DAILY BEAST
By 1991, The Source had become the industry bible, building a circulation of 40,000, with nearly $1 million in total revenue.It Was All a Dream: Drama, Bullshit, and the Rebirth of The Source Magazine | Alex Suskind | October 14, 2014 | THE DAILY BEAST
Almost one-quarter of the total supply printed has been placed in circulation.
Four engravings and at least six pamphlets, all focusing on the bawdy house story, were shortly in circulation.A Letter from Mr. Cibber to Mr. Pope | Colley Cibber
Its entrance into and exit from banks is a flow, but not a circulation against goods.
A great many agents possess the power of attracting leukocytes into the general circulation.A Manual of Clinical Diagnosis | James Campbell Todd
In the diagram the horizontal arrows represent such mere banking operations, not true circulation.
British Dictionary definitions for circulation
the transport of oxygenated blood through the arteries to the capillaries, where it nourishes the tissues, and the return of oxygen-depleted blood through the veins to the heart, where the cycle is renewed
the flow of sap through a plant
any movement through a closed circuit
the spreading or transmission of something to a wider group of people or area
(of air and water) free movement within an area or volume
the distribution of newspapers, magazines, etc
the number of copies of an issue of such a publication that are distributed
a book loan, as from a library lending department
each loan transaction of a particular book
the total issue of library books over a specified period
a rare term for circulating medium
(of currency) serving as a medium of exchange
(of people) active in a social or business context
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for circulation
The flow of fluid, especially blood, through the tissues of an organism to allow for the transport and exchange of blood gases, nutrients, and waste products. In vertebrates, the circulation of blood to the tissues and back to the heart is caused by the pumping action of the heart. Oxygen-rich blood is carried away from the heart by the arteries, and oxygen-poor blood is returned to the heart by the veins. The circulation of lymph occurs in a separate system of vessels (the lymphatic system). Lymph is pumped back to the heart by the contraction of skeletal muscles.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Other Idioms and Phrases with circulation
see in circulation; out of circulation.
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.