recirculation
noun
re·cir·cu·la·tion
| \ (ˌ)rē-ˌsər-kyə-ˈlā-shən
\
\
plural recirculations
Definition of recirculation
: 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
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