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 Other early signs of heat exhaustion include fatigue and thirst. Amanda MacMillan, Health, 10 May 2024 Heat stroke, heat exhaustion or heat cramps possible with prolonged exposure and/or physical activity. Brayden Garcia, Fort Worth Star-Telegram, 7 May 2024 See all Example Sentences for heat exhaustion 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'heat exhaustion.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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 30 May. 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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