regurgitation Hear it!

regurgitation definition

re·gur·gi·ta·tion (ri gʉr′jə tā′s̸hən)

noun

a regurgitating; specif.,
  1. the return of partly digested food from the stomach to the mouth, as in a ruminant animal
  2. a backward flow of blood due to the imperfect closure of a heart valve

Etymology: ML regurgitatio

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