closed loop


Definition of closed loop 

: an automatic control system in which an operation, process, or mechanism is regulated by feedback

Examples of closed loop in a Sentence

Recent Examples on the Web

And the geothermal plant at Cornell University’s new technology campus on Roosevelt Island can produce even more heating and cooling than at St. Patrick’s, using a closed loop system that is not open to the bedrock. Sharon Otterman, New York Times, "The New, Green Pride of St. Patrick’s Cathedral Is Underground," 14 Mar. 2018 The question arose every day or two as the early stages of his recovery traced a closed loop. Martin Kuz, San Antonio Express-News, "Returning to war to find peace of mind," 9 Feb. 2018 Such a system would use the same radiative panels to cool fluid in a closed loop. Joseph Dussault, The Christian Science Monitor, "Using outer space to help cool buildings on Earth," 2 Oct. 2017 The saltwater cools the titanium plate, which in turn cools the freshwater, which is in a closed loop and flows continuously through guestrooms and elsewhere. Klara Glowczewska, Town & Country, "The Brando Is the Ultimate Luxury Resort—But What It Really Wants to Do Is Save the Planet," 20 Sep. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'closed loop.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of closed loop

1951, in the meaning defined above

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The first known use of closed loop was in 1951

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