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.
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- heat devil,
- heat dome,
- heat engine,
- heat equation,
- heat exchanger,
- heat gun,
- heat index,
- heat island,
- heat lamp,
- heat lightning
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. 2019
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|Bennet Burleigh
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.