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.
If the sprinklers aren’t blown out, there’s a chance that any remaining water inside them will freeze and expand, causing cracks and other damage to pipes, sprinkler heads, backflow preventers and more. Lauren Penington, The Denver Post, 24 Oct. 2024 In addition, a clogged drain can develop into a clog deep inside the sewer system, which can lead to backflow (when dirty water from the sewer system pours back into your home). Daley Quinn, Southern Living, 27 Sep. 2024 Also, unlike arteries, veins have valves to prevent backflow of blood.2 Location of Major Arteries There are several major arteries in the body. Angela Ryan Lee, Verywell Health, 1 Aug. 2024 That was because the San Lorenzo Valley district utility made sure the valves in that network prevented backflow. Aaron Steckelberg, Washington Post, 29 July 2024 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

Dictionary Entries Near backflow

Cite this Entry

“Backflow.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/backflow. Accessed 3 Dec. 2024.

Last Updated: - Updated example sentences
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