heat·​stroke | \ ˈhēt-ˌstrōk How to pronounce heatstroke (audio) \

Definition of heatstroke

: a life-threatening condition marked especially by cessation of sweating, extremely high body temperature, and collapse that results from prolonged exposure to high temperature — compare heat exhaustion, sunstroke

Examples of heatstroke in a Sentence

Recent Examples on the Web Writing burns you up from the inside out, like a heatstroke but slower. Rex Nelson, Arkansas Online, "OPINION | REX NELSON: The quarterback writer," 3 Oct. 2020 In an emotional game at FedEx Field, with the team devoting its season to Jordan McNair, the 19-year-old offensive lineman who died from heatstroke in June 2018, Jones stole the show. Daniel Oyefusi, baltimoresun.com, "After missing year with torn ACL, Maryland receiver Jeshaun Jones looks to build on historic freshman debut," 2 Oct. 2020 Hensley was discovered inside a hot vehicle Sunday afternoon and died of heatstroke, according to media reports. Fox News, "Mom arrested after Louisiana boy, 2, dies in hot car," 1 Oct. 2020 On top of stretched resources, historic heat waves have slowed down firefighting efforts and raised the risk of heatstroke. Mallory Moench, SFChronicle.com, "‘No end in sight’: California firefighters battle exhaustion, heat and pandemic in historic wildfire season," 16 Sep. 2020 Signs of heatstroke include body temperature of 103 degrees or higher; hot, red or dry skin; a fast, strong pulse; confusion and loss of consciousness. Benjamin Vanhoose, PEOPLE.com, "Woman, 41, Dies While Hiking in Santa Monica Mountains During California Heat Wave," 7 Sep. 2020 The last two years have been the worst nationally: A record 54 children died of vehicular heatstroke in 2018, followed by 53 a year ago. Steve Kiggins, USA TODAY, "Florida baby dies after being left for 'several hours' in hot car, police say. It's the 21st case of child vehicular heatstroke this year.," 3 Sep. 2020 In 2019, 52 children died of heatstroke in the United States after being left in vehicles. Roberto Baldwin, Car and Driver, "Tesla Looks to Airport-Style Scanning So Kids Aren't Left in Cars," 21 Aug. 2020 Children dying from heatstroke in cars, either because they were left or became trapped, has increased in recent years, according to the National Highway Traffic Safety Administration. Dalvin Brown, USA TODAY, "Tesla wants to add tech that can detect whether a child was left behind in a hot car," 31 July 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'heatstroke.' 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 heatstroke

1874, in the meaning defined above

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The first known use of heatstroke was in 1874

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Cite this Entry

“Heatstroke.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heatstroke. Accessed 26 Jan. 2021.

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How to pronounce heatstroke (audio)

English Language Learners Definition of heatstroke

medical : a serious condition that happens when someone has been in high temperatures for a long time and that causes a person to stop sweating, have a very high body temperature, and become exhausted or unconscious


heat·​stroke | \ ˈhēt-ˌstrōk How to pronounce heatstroke (audio) \

Medical Definition of heatstroke

: a life-threatening condition characterized by cessation of sweating with inadequate elimination of body heat, extremely high temperature, rapid pulse, hot dry skin, flaccid muscles, delirium, collapse, and coma and resulting from prolonged exposure to high environmental temperature which causes a dysfunction of the temperature-regulating mechanism of the body — see sunstroke — compare heat exhaustion

More from Merriam-Webster on heatstroke

Nglish: Translation of heatstroke for Spanish Speakers

Britannica.com: Encyclopedia article about heatstroke

Comments on heatstroke

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