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recirculation

noun

re·​cir·​cu·​la·​tion (ˌ)rē-ˌsər-kyə-ˈlā-shən How to pronounce recirculation (audio)
plural recirculations
: the act or process of circulating again or causing something to circulate again
… which help convert the steam generated within the reactor back into water for recirculation in the closed loop system. Dave Flessner
… corrected duct leaks to improve recirculation of air and reduce our heating and cooling requirements. Kristin Piester
often used attributively
recirculation pumps

Word History

First Known Use

1718, in the meaning defined above

Time Traveler
The first known use of recirculation was in 1718

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