recirculation

noun

re·​cir·​cu·​la·​tion (ˌ)rē-ˌsər-kyə-ˈlā-shən 

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

Roll the windows down briefly, then close them and flip recirculation on once the cabin starts to cool. — Hanna Wickes, Charlotte Observer, 8 July 2026

Park in shade when possible, use a windshield sunshade, and when climbing back into a hot car, turn the air conditioning on with recirculation off. — Hanna Wickes, Sacbee.com, 8 July 2026

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

Word History

First Known Use

1718, in the meaning defined above

Rhymes for recirculation

• abbreviation
• abomination
• acceleration
• accentuation
• accommodation
• accreditation
• acculturation
• accumulation
• acetylation
• adjudication
• administration
• adulteration