backflow

noun

back·​flow ˈbak-ˌflō How to pronounce backflow (audio)
: a flowing back or returning especially toward a source

Examples of backflow 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.
That includes where decisions are made, who depends on whose output, where information crosses boundaries and where the backflow points are. Barbara Wittmann, Forbes.com, 22 May 2026 Crostplay2 said the project went through around ten motor driver boards during testing due to power backflow while uploading new firmware to the ESP32. Kaif Shaikh, Interesting Engineering, 22 May 2026 Two of her apartment's copper backflow preventer systems were stripped, less than three weeks apart. Gabriela Vidal, CBS News, 19 May 2026 The back-of-house hose was found incorrectly attached with no backflow preventor or air gap, causing potential dirty water to come back up from the sink. Paige Moore, AZCentral.com, 1 Apr. 2026 See All Example Sentences for backflow

Word History

First Known Use

1878, in the meaning defined above

Time Traveler
The first known use of backflow was in 1878

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Cite this Entry

“Backflow.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/backflow. Accessed 27 May. 2026.

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