Circulation 382210 221853286 2008-06-26T11:27:41Z ClueBot 4928500 Reverting possible vandalism by [[Special:Contributions/Cammylle|Cammylle]] to version by PipepBot. False positive? [[User:ClueBot/FalsePositives|Report it]]. Thanks, [[User:ClueBot]]. (425535) (Bot) {{wiktionarypar|circulation}} '''Circulation''' may be used in reference 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 *[[Exhaust gas recirculation]], a [[nitrogen oxide]] reduction technique *[[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 (journal)]], a scientific journal published by the American Heart Association *[[Circulation (UK duo)]], a UK house music duo *[[Circulation problem]], a generalisation of network flow problems *[[Library circulation]], the activities around the lending of library books and other material to users of a lending library ==See also== *[[List of circulating currencies]] {{disambig}} [[es:Circulación]] [[fr:Circulation]] [[it:Circolazione]] [[nl:Circulatie]]