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

Examples of recirculation in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The garment also pulls double duty by managing respiration, using a separate ventilation loop to gently blow fresh oxygen across the astronaut’s face while simultaneously vacuuming away exhaled carbon dioxide for scrubbing and recirculation. Mrigakshi Dixit, Interesting Engineering, 9 June 2026 When entering a steamy car, turn on the air conditioning but turn off recirculation to keep stale air from cycling. ABC News, 8 June 2026 Run your air conditioner on its recirculation setting to cool down. Bestreviews, Chicago Tribune, 4 June 2026 The facility is designed with negative air pressure systems that prevents the recirculation of contaminated air and prevent the spread of airborne pathogens. Siladitya Ray, Forbes.com, 11 May 2026 See All Example Sentences for recirculation

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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Cite this Entry

“Recirculation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/recirculation. Accessed 17 Jun. 2026.

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