cir·​cu·​la·​tion | \ ˌsər-kyə-ˈlā-shən How to pronounce circulation (audio) \

Definition of circulation

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
3a : 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. See More
Recent Examples on the Web Latest indications suggest the supply of Luna coins in circulation went from a few hundred million to now 6.9 trillion, with the token trading at levels virtually near zero after hitting an all-time high of $119 just last month. Christiaan Hetzner, Fortune, 13 May 2022 In April, there were $18 billion worth of Terra in circulation, making Terra the world's third-largest stablecoin. Timothy B. Lee, Ars Technica, 11 May 2022 Like the county library system, Cleveland’s library and its branches saw an increase in circulation, primarily driven by an increase in electronic items. Alexis Oatman, cleveland, 10 May 2022 Those flu shots were also a flop, with only 16% efficacy against the influenza strain in circulation, data from the U.S. Centers for Disease Control and Prevention indicates. Aidin Vaziri, San Francisco Chronicle, 11 Apr. 2022 By 2007, there was more of these deposit alternatives in circulation than bank deposits. Lev Menand, Time, 4 May 2022 Each time there was a change, money in circulation had to be traded in for new bills, and the old ones were retired. Sheelah Kolhatkar, The New Yorker, 2 May 2022 In his letter, Panish wrote that having the video in circulation could particularly affect Hutchins' son, Andros, 9. Marco Della Cava, USA TODAY, 28 Apr. 2022 Erythropoietin is a hormone produced in the kidneys that protects the body from having too few RBCs in circulation. Bryant Stamford, The Courier-Journal, 28 Apr. 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'circulation.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of circulation

1535, in the meaning defined at sense 1

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The first known use of circulation was in 1535

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circulating nurse



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Statistics for circulation

Last Updated

23 May 2022

Cite this Entry

“Circulation.” Dictionary, Merriam-Webster, Accessed 24 May. 2022.

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More Definitions for circulation


cir·​cu·​la·​tion | \ ˌsər-kyə-ˈlā-shən How to pronounce circulation (audio) \

Kids Definition of circulation

1 : movement through something A fan will improve the circulation of air in the room.
2 : passage from place to place or person to person coins in circulation
3 : the average number of copies (as of a newspaper) sold in a given period


cir·​cu·​la·​tion | \ ˌsər-kyə-ˈlā-shən How to pronounce circulation (audio) \

Medical Definition of circulation

: 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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