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.
Jennings advocates that renters get renters’ insurance and that building owners make sump pumps available to renters, because the owners must give permission for residents to apply for the state’s grant program that covered repairs and backflow preventers for homeowners. Julianna D’addona, Hartford Courant, 27 July 2025 However, a murmur can also be caused by an issue within the heart, like a regurgitation (backflow) of blood or an obstruction.4 Ways to Listen A stethoscope is used to listen to heart sounds. Patty Weasler, Rn, Bsn, Verywell Health, 13 Feb. 2025 Alcohol also stimulates the production of stomach acid, increasing the risk of backflow and stomach irritation.4 Different types of alcohol may have varying effects, and moderation is key. Chelsea Rae Bourgeois, Rdn, Ld, Health, 2 Feb. 2025 The resulting backflow of urine can place extreme stress on a kidney, leading to a condition called hydronephrosis.29 Although many cases of hydronephrosis are mild and resolve on their own, severe cases can lead to kidney damage if left untreated. Kashif J. Piracha, Verywell Health, 1 Jan. 2025 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 2 Aug. 2025.

Last Updated: - Updated example sentences
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