heat·​stroke | \ˈhēt-ˌstrōk \

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

Workers and volunteers who descended on the region to help clean up and rebuild soon faced another risk: heatstroke. Ken Moritsugu, The Seattle Times, "Deadly month: Japan’s weather-related deaths top 300 in July," 30 July 2018 Photo: Teaching Strategies Ms. Berke says the change was inspired by Karen Osorio, a Procter & Gamble scientist who lost her daughter to vehicular heatstroke last year. Ellen Byron, WSJ, "Check the Back Seat! Alerts Remind Drivers About Children," 28 July 2018 The cause of death was heatstroke, and an external review found that the athletic staff made several mistakes in his treatment at the scene. David Ginsburg, The Seattle Times, "Report: Maryland football not ‘toxic,’ but has problems," 25 Oct. 2018 The attorney for the McNair family said a preliminary death certificate indicates the cause of death was heatstroke. Fox News, "Maryland strength and conditioning coach resigns after football player death," 14 Aug. 2018 In Georgia, Miguel Angel Guzman Chavez, a 24-year-old farmworker, died of heatstroke while working the field last month when the heat index reached 105 degrees Fahrenheit. Umair Irfan, Vox, "Extreme heat has already killed several outdoor workers this summer, and climate change will heat waves more costly.," 27 July 2018 The couple wandered for three days in a stretch of South Texas so remote that dozens of migrants die there each year of dehydration, heatstroke or hypothermia. Kevin Sieff, Washington Post, "As border crossings surge, a Mexican couple tests Trump’s policies," 21 June 2018 The danger of leaving a child in a car Scientists can't predict when a child will have a heatstroke, according to ASU. Lauren Castle, azcentral, "Even in the shade, hot cars can quickly become lethal for children, study shows," 20 June 2018 In the Baltimore area, Towson offensive lineman Gavin Class (St. Paul’s) suffered from heatstroke during a summer practice in 2013 and collapsed. Edward Lee, baltimoresun.com, "Maryland offensive lineman Jordan McNair (McDonogh) dies two weeks after collapsing in team workout," 13 June 2018

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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3 Dec 2018

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The first known use of heatstroke was in 1874

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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 \

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

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More from Merriam-Webster on heatstroke

Rhyming Dictionary: Words that rhyme with heatstroke

Nglish: Translation of heatstroke for Spanish Speakers

Britannica.com: Encyclopedia article about heatstroke

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