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Circulation. (Science: physiology) movement in a regular or circuitous course, as the movement of the blood through the heart and blood vessels. Origin: L. Circulatio. Please contribute to this project, if you have more information about this term feel free to edit this page.
1 Rhetorical circulation, the ways that texts and discourses move through time and space. 2  Circulation (fluid dynamics), the path integral of the fluid velocity around a closed curve. 3  Circulation (journal), a journal published by the American Heart Association.  Atmospheric circulation, the large-scale movement of air.