1 heat exhaustion | Definition of heat exhaustion

heat exhaustion

noun

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

Because the fire destroyed many of the trees that once covered the field in shade, the sun had free rein to pound the bleachers amid 95-degree heat, leading to at least four people being treated for heat exhaustion. Los Angeles Times, "Column: Paradise football brings smiles and tears in first game since Camp fire," 25 Aug. 2019 That week, Nowlin took himself to the doctor, who diagnosed him with heat exhaustion and a head injury, according to his worker's compensation records. NBC News, "Heat takes down more UPS workers during hottest summer ever," 22 Aug. 2019 Please take the heat seriously and watch for signs of heat exhaustion. Dallas News, "NBC 5 Forecast: Hottest Weather Yet," 12 Aug. 2019 The thing about heat exhaustion is that its symptoms don’t just strike out of nowhere. Anna Borges, SELF, "How to Spot Heat Exhaustion Because, Wow, It's Freaking Hot Outside," 12 July 2019 Heatstroke is less common, but more dangerous than heat exhaustion. Nina Avramova, CNN, "How your health is at risk during a heatwave," 28 June 2019 Police said the deaths of the dogs was from apparent lack of water and heat exhaustion in the home, according to the report. Molly Hudson, azcentral, "Phoenix woman arrested after 6 dead dogs found in home, 9 more malnourished," 25 June 2019 In March 2018, during the Rock 'n’ Roll Dallas Half Marathon, two runners collapsed because of heat exhaustion. Dallas News, "Here’s what you might not know about dehydration in the summer heat," 24 July 2019 In Pennsylvania, nine firefighters were treated for heat exhaustion and six transported to a hospital for treatment while fighting a house fire in sweltering conditions Saturday. Washington Post, "Heat and humidity grip East Coast as Midwest gets reprieve," 21 July 2019

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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More Definitions for heat exhaustion

heat exhaustion

noun

English Language Learners Definition of heat exhaustion

medical : 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

noun

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