heat exhaustion


Definition of heat exhaustion

: a condition marked by weakness, nausea, dizziness, and profuse sweating that results from physical exertion in a hot environment

called also heat prostration

— compare heatstroke

Examples of heat exhaustion in a Sentence

Recent Examples on the Web Laura Jean Jordan was found dead from heat exhaustion in July 2017 near the area of 22nd Place and Garfield Street. Haleigh Kochanski, The Arizona Republic, 2 Sep. 2021 The weather service recommends those under heat advisories to stay hydrated, remain out of the sun, check on relatives and neighbors and be cognizant of the symptoms of heat exhaustion and heatstroke. Tori B. Powell, CBS News, 31 Aug. 2021 Ray Kelly, a spokesman for the Alameda County Sheriff’s Office, said Kreycik’s movements could indicate a sort of delirium from heat exhaustion. Megan Cassidy, San Francisco Chronicle, 23 Aug. 2021 With the thermostats ready to burst and air conditioners at full strength, coaches like Manual's Scott Carmony had to make adjustments to practice in order to protect the players from heat exhaustion. J.l. Kirven, The Courier-Journal, 20 Aug. 2021 Extreme heat can cause heat stroke, heat exhaustion, heat cramps and heat rash. Sylvia Goodman, The Courier-Journal, 31 Aug. 2021 People should also be mindful of the symptoms for heat exhaustion, which can develop suddenly, and include heavy sweating, cold or clammy skin, fast or weak pulse, nausea or vomiting, muscle cramps, dizziness, headache, and fainting. BostonGlobe.com, 11 Aug. 2021 Hikers should also watch out for health hazards including heat exhaustion, heatstroke, hyponatremia and hypothermia. Julia Musto, Fox News, 6 Aug. 2021 In Tokyo, a caddy for U.S. golfer Lexi Thompson had to relinquish his duties because of heat exhaustion. Emily Leiker, USA TODAY, 6 Aug. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'heat exhaustion.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of heat exhaustion

1861, in the meaning defined above

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Time Traveler for heat exhaustion

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The first known use of heat exhaustion was in 1861

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Dictionary Entries Near heat exhaustion

heat exchanger

heat exhaustion


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Statistics for heat exhaustion

Last Updated

17 Sep 2021

Cite this Entry

“Heat exhaustion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heat%20exhaustion. Accessed 20 Sep. 2021.

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More Definitions for heat exhaustion

heat exhaustion


English Language Learners Definition of heat exhaustion

: a condition that happens when someone is too active in extremely hot conditions and that causes a person to sweat and feel very weak, dizzy, etc.

heat exhaustion


Medical Definition of heat exhaustion

: a condition characterized by faintness or fainting, palpitations, nausea, vomiting, headache, and profuse sweating and resulting from physical exertion in a hot environment

called also heat prostration

— compare heatstroke

More from Merriam-Webster on heat exhaustion

Britannica.com: Encyclopedia article about heat exhaustion


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