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acid reflux

American  
[as-id ree-fluhks] / ˈæs ɪd ˈri flʌks /

noun

Pathology.
  1. a chronic condition in which acid from the stomach flows back into the lower esophagus, causing pain or tissue damage.


acid reflux British  

noun

  1. the regurgitation of stomach acid into the oesophagus, causing heartburn

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

acid reflux Scientific  
  1. See heartburn


Etymology

Origin of acid reflux

First recorded in 1955–60

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

For humans, the abundant minerals and anti-inflammatory properties of certain seaweeds have seen their extracts used in medicines from treating acid reflux to wound dressings.

From BBC Jul. 31, 2026

Between 40 and 70 percent of patients on these drugs report gastrointestinal adverse effects, like acid reflux, chronic diarrhea, and/or constipation.

From Slate Mar. 22, 2026

Her youngest child is 22 months old and still nursing; he has acid reflux and an allergy to other forms of milk.

From Salon Oct. 22, 2025

That includes the vast majority of people with acid reflux.

From Los Angeles Times Sep. 16, 2024

People with frequent acid reflux may develop gastroesophageal reflux disease, or GERD, which can lead to cancer of the esophagus.

From Science Daily Apr. 24, 2024

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