- a condition characterized by faintness, rapid pulse, nausea, profuse sweating, cool skin, and collapse, caused by prolonged exposure to heat accompanied by loss of adequate fluid and salt from the body.
Origin of heat exhaustion
First recorded in 1935–40
Also called heat prostration.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for heat exhaustion
Although the brutes have the smallest modicum of brains, they are very liable to attacks of illness from heat-exhaustion.Khartoum Campaign, 1898
- a condition resulting from exposure to intense heat, characterized by dizziness, abdominal cramp, and prostrationAlso called: heat prostration Compare heatstroke
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
- A condition caused by exposure to heat, marked by prostration, weakness, and collapse, resulting from unrecognized or unavoidable dehydration.heat prostration
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.