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irritable bowel syndrome

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noun Pathology.
  1. any combination of common disturbances of the bowel, as diarrhea or constipation, occurring with abdominal pain, sometimes accompanied by psychological stress. Abbreviation: IBS
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Also called irritable colon, spastic colon.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for irritable bowel syndrome

irritable bowel syndrome

noun
  1. med a chronic condition of recurring abdominal pain with constipation or diarrhoea or both
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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

irritable bowel syndrome in Science

irritable bowel syndrome

[ĭrĭ-tə-bəl]
  1. A gastrointestinal disorder without demonstrable organic pathology, characterized by abdominal cramping, constipation, diarrhea, and mucus in the stool.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.