regurgitation

[ri-gur-ji-tey-shuh n]
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noun
  1. the act of regurgitating.
  2. voluntary or involuntary return of partly digested food from the stomach to the mouth.
  3. Pathology. the reflux of blood through defective heart valves.

Origin of regurgitation

First recorded in 1595–1605, regurgitation is from the Medieval Latin word regurgitātiōn- (stem of regurgitātiō). See regurgitate, -ion
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Word Origin and History for regurgitation
n.

c.1600, from Medieval Latin regurgitationem (nominative regurgitatio), noun of action from past participle stem of regurgitare "to overflow," from re- "back" (see re-) + Late Latin gurgitare "engulf, flood" (found in Latin ingurgitare "to pour in"), from gurges "whirlpool, gorge, abyss," from PIE root *gwere- "to swallow."

Online Etymology Dictionary, © 2010 Douglas Harper

regurgitation in Science

regurgitation

[rē-gûr′jĭ-tāshən]
  1. The return of partially digested food from the stomach to the mouth.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.