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[ree-fluhks] /ˈriˌflʌks/
a flowing back; ebb.
Origin of reflux
late Middle English
1400-50; late Middle English < Medieval Latin refluxus. See re-, flux Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for reflux
  • At the same time, he heaves the land with an earthquake, and brings in the reflux of the ocean over the shores.
  • Most veins are provided with valves which serve to prevent the reflux of the blood.
  • The chart notes told me that he was being treated for persistent gastroenterological reflux.
  • New government figures show a worrisome increase in esophagus disorders from severe acid reflux.
  • Asthma patients using powerful acid reflux drugs even though they don't have heartburn should stop taking them, lung experts say.
  • One study reported that spasms in the vocal cords caused by acid reflux may block the flow of air and cause sleep apnea in adults.
  • In fact, there is some theory that in patients with coronary artery disease, acid reflux may actually trigger angina.
  • Stomach acid has long been blamed for acid reflux, heartburn and other ills.
  • If spitting up worsens or is more frequent, it might be reflux disease.
British Dictionary definitions for reflux


(chem) to boil or be boiled in a vessel attached to a condenser, so that the vapour condenses and flows back into the vessel
  1. an act of refluxing
  2. (as modifier): a reflux condenser
the act or an instance of flowing back; ebb
Word Origin
C15: from Medieval Latin refluxus, from Latin refluere to flow back
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
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Word Origin and History for reflux

early 15c., "a flowing back (of the sea, etc.)," from Medieval Latin refluxus, from Latin re- "back, again" (see re-) + fluxus "a flowing" (see flux). Digestive sense is recorded from 1937.

Online Etymology Dictionary, © 2010 Douglas Harper
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reflux in Medicine

reflux re·flux (rē'flŭks')

  1. A flowing back.

  2. The process of refluxing.

v. re·fluxed, re·flux·ing, re·flux·es
To boil a liquid in a vessel attached to a condenser so that the vapors continuously condense for reboiling.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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