heat exhaustion

noun

: 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
These examples are automatically compiled from online sources to illustrate current usage. Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
In the know:What is the difference between heat stroke, heat exhaustion and dehydration? Staff Reports, The Arizona Republic, 1 Oct. 2024 On his very first day on the trail, Herring suffered from heat exhaustion and nearly quit. Corey Buhay, Outside Online, 26 Sep. 2024 Increasing reports from across the country highlight athletes suffering from heat exhaustion, and even death, on these fields. Letters To The Editor, The Mercury News, 18 Oct. 2024 Be mindful of heat exhaustion and take steps to prevent it. George Petras, USA TODAY, 1 Oct. 2024 See all Example Sentences for heat exhaustion 

Word History

First Known Use

1861, in the meaning defined above

Time Traveler
The first known use of heat exhaustion was in 1861

Dictionary Entries Near heat exhaustion

Cite this Entry

“Heat exhaustion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heat%20exhaustion. Accessed 14 Nov. 2024.

Kids Definition

heat exhaustion

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

called also heat prostration

compare heat stroke

Medical Definition

heat exhaustion

noun
: 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

Last Updated: - Updated example sentences
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