an intestinal disorder characterized by abnormal frequency and fluidity of fecal evacuations.
Origin of diarrhea
1350–1400; Middle English diaria < Late Latin diarrhoea < Greek diárrhoia a flowing through, equivalent to diarrho- (variant stem of diarrheîn to flow through) + -ia -ia
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Online Etymology Dictionary, © 2010 Douglas Harper
Excessive and frequent evacuation of watery feces.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Excessive and frequent evacuation of watery feces, usually a symptom of a gastrointestinal disorder. Severe, prolonged diarrhea can lead to dehydration.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
The frequent passage of abnormally watery feces, which is a sign of illness.
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.