- an intestinal disorder characterized by abnormal frequency and fluidity of fecal evacuations.
Origin of diarrhea
Examples from the Web for diarrheal
After the administration per os, much of the barium must be carried off in the diarrheal stools.Barium, A Cause of the Loco-Weed Disease
Albert Cornelius Crawford
The severity of diarrheal symptoms is much increased by the character and abundance of bacterial poisons.Intestinal Ills
Alcinous Burton Jamison
The mucilaginous character of Comfrey root renders it useful in coughs and diarrheal complaints.Ginseng and Other Medicinal Plants
A. R. (Arthur Robert) Harding
The invasion of the gastrointestinal tract is announced by diarrheal symptoms.Special Report on Diseases of Cattle
U.S. Department of Agriculture
Word Origin and History for diarrheal
late 14c., from Old French diarrie, from Late Latin diarrhoea, from Greek diarrhoia "diarrhea" (coined by Hippocrates), literally "a flowing through," from diarrhein "to flow through," from dia- "through" (see dia-) + rhein "to flow" (see rheum). Respelled 16c. from diarria on Latin model.
- Excessive and frequent evacuation of watery feces.
- Excessive and frequent evacuation of watery feces, usually a symptom of a gastrointestinal disorder. Severe, prolonged diarrhea can lead to dehydration.
The frequent passage of abnormally watery feces, which is a sign of illness.