: a flowing back or returning especially toward a source
Examples of backflow in a Sentence
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Plumbing system is not installed to preclude backflow.—Gege Reed, Louisville Courier Journal, 21 Nov. 2025 As the stomach works to pass food contents into the small intestine, there is an increased chance of heartburn – a backflow of acidic stomach contents that can cause a burning sensation in your chest or sour taste in your mouth.—Bryn Beeder, The Conversation, 17 Nov. 2025 The restaurant also had significant physical deficiencies, including a broken handwashing sink and a malfunctioning main drain causing backflow issues.—Shambhavi Rimal, Fort Worth Star-Telegram, 16 Nov. 2025 Urinary tract abnormalities such as blockages or reflux (backflow of urine toward the kidneys) and the use of urinary catheters also heighten infection risk.—Daryl Austin, USA Today, 7 Nov. 2025 See All Example Sentences for backflow