Circulation may refer to:

  • Circulatory system, a biological organ system whose primary function is to move substances to and from cells
  • Circulation (fluid dynamics), the path integral of the fluid velocity around a closed curve
  • Circulation (journal), one of the journals published by American Heart Association
  • Circulation (architecture), the flow of people through a building
  • Exhaust gas recirculation, a nitrogen oxide reduction technique used in most gasoline and diesel engines
  • Atmospheric circulation, the large-scale movement of air
  • Newspaper circulation, the average number of copies of a newspaper distributed on a day
  • Magazine circulation, the average number of copies of a periodical distributed per edition/ volume
  • Circulation (UK duo), a UK house music duo
  • Circulation problem, a generalization of network flow problems
  • Library circulation, the activities around the lending of library books and other material to users of a lending library
  • Circulation (currency), all currency held by consumers and businesses, but not by financial institutions and governments
  • Circulation Festival, an annual circus and fire performance festival held in Dunedin, New Zealand

Other articles related to "circulation":

History Of The Korean Currencies
... even though some imported Chinese currency was also in circulation, commodity currency such as grain and linen continued in general circulation ... that copper coins were minted for wide circulation ...
Media Of Thailand - Newspapers - English-language Dailies
... Bangkok Post - Circulation is approximately 75,000 ... The Nation - Circulation is in the 60,000-80,000 range ... International Herald Tribune - Circulation is somewhere in the 5,000-10,000 range ...
The Ecologist - Circulation
... In its magazine format, The Ecologist had an average circulation of 20,000 per issue ... In its online incarnation, in addition to the website there was a weekly e-newsletter and a monthly subscriber PDF newsletter, the last issue of which was published in May 2012 ...
Connecticut Post - The Post
... The paper has a weekday circulation of 53,866, a Saturday circulation of 41,768, and a Sunday circulation of 80,840 according to the Audit Bureau of ...

Famous quotes containing the word circulation:

    The denunciation of the young is a necessary part of the hygiene of older people, and greatly assists the circulation of their blood.
    Logan Pearsall Smith (1865–1946)

    We did not heed the sentries at the gate, nor did they us, and what under the sun they were placed there for, unless to hinder a free circulation of the air, was not apparent.
    Henry David Thoreau (1817–1862)

    The circulation of confidence is better than the circulation of money.
    James Madison (1751–1836)