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

Residents threw themselves from rooftops and died of heatstroke in rooms that lacked air conditioning. Joaquin Sapien, ProPublica, "After Failing Mentally Ill New Yorkers, Adult Homes Get Second Chance," 30 July 2019 Since 1998, almost 800 children have died from vehicular heatstroke; 24 percent occurred in employer parking lots while the parent or caregiver was at work. Roy Kent, Houston Chronicle, "Girl Scout earns Silver Award for work with Oakbend Labor and Delivery Department," 9 Aug. 2019 Since April, 20 children in the U.S. — including four in Texas — have died from heatstroke inside vehicles, according to KidsAndCars.org, an advocacy group that tracks child death statistics. Maria Elena Vizcaino, Dallas News, "'Everyone is vulnerable to it': Experts warn about the risk hot cars pose for children," 16 July 2019 Jordan McNair, a lineman on the school’s football team, collapsed from heatstroke during a practice on May 29, 2018, and died in a hospital 15 days later. Joe Heim, Washington Post, "U-Md. at College Park is warned that it could lose accreditation," 29 June 2019 The National Safety Council reported that 32 children under the age of 15 have died of heatstroke this year, which is on the way to surpassing the annual average of 38. Fox News, "Death Valley could hit 120 degrees as extreme heat smothers US," 21 Aug. 2019 Tweet with us for the next 12 hours on the dangers of heatstroke. Eric D. Lawrence, Detroit Free Press, "Kids are dying in hot cars at an alarming rate; safety agency tweets for awareness," 15 Aug. 2019 And of course, heatstroke is the main cause of death with a dog in a hot car. Heloise, Washington Post, "Hints From Heloise: Watch for heatstroke in dogs," 24 Aug. 2019 At least 35 children have died this year from vehicle heatstroke, and Congress is considering the Hot Cars Act of 2019, which would mandate new cars to have a reminder system for drivers to check for passengers in the back. Ben Kesslen, NBC News, "Video shows emotional reunion after infant was trapped in hot car," 22 Aug. 2019

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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Statistics for heatstroke

Last Updated

22 Oct 2019

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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 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

Rhyming Dictionary: Words that rhyme with heatstroke

Nglish: Translation of heatstroke for Spanish Speakers

Britannica.com: Encyclopedia article about heatstroke

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