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 Many more closed loop efforts were showcased at the MRS meeting. Robert F. Service, Science | AAAS, "AI-driven robots are making new materials, improving solar cells and other technologies," 11 Dec. 2019 Now, the suits’ life support systems are completely autonomous from the ship’s, a closed loop that won’t be affected if the cabin is compromised. Jennifer Leman, Popular Mechanics, "Everything You Need to Know About NASA's New Spacesuits," 16 Oct. 2019 The medical team set the T-cells aside to freeze while the rest of the blood circulates back into the patient in a closed loop. Ilana Yurkiewicz, Smithsonian, "The Possibilities and Risks of Genetically Altering Immune Cells to Fight Cancer," 26 Oct. 2019 Ventilation is also a closed loop, harvesting surplus heat from the LEDs while managing humidity and oxygen levels. The Economist, "New ways to make vertical farming stack up," 29 Aug. 2019 Seized closed loop systems to extract THC, the main psychoactive ingredient found in marijuana, also known as hash oil or honey oil, were part of a presentation at the DEA’s San Diego Field Division office in Kearny Mesa. San Diego Union-Tribune, "San Diego hash oil labs growing in sophistication, but who’s behind them?," 24 June 2019 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

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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Cite this Entry

“Closed loop.” Dictionary, Merriam-Webster, Accessed 12 Jul. 2020.

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