heat exhaustion

American  

noun

1. a condition characterized by faintness, rapid pulse, nausea, profuse sweating, cool skin, and collapse, caused by prolonged exposure to heat accompanied by loss of adequate fluid and salt from the body.

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heat exhaustion British  

noun

1. Also called: heat prostration. a condition resulting from exposure to intense heat, characterized by dizziness, abdominal cramp, and prostration Compare heatstroke

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Etymology

Origin of heat exhaustion

First recorded in 1935–40

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Example Sentences

See Examples For:

heat exhaustion

He urged people to stay hydrated, avoid outdoor activities during the heat of the day and to stay aware of symptoms of heat exhaustion and heatstroke.

From Los Angeles Times ● Jul. 13, 2026

Matches at the Hard Rock Stadium come with a risk of heat exhaustion and heatstroke.

From BBC ● Jul. 11, 2026

During heatwaves, the added strain on our hearts can cause our blood pressure to lower, which combined with the loss of fluids and salt from sweating, can lead to heat exhaustion.

From BBC ● Jul. 8, 2026

Paramedics meanwhile carted away a young woman suffering from apparent heat exhaustion.

From Barron's ● Jul. 3, 2026

He ran on, mimicking Alec with every step, hoping they’d round the fire and break away from it before he died of thirst and heat exhaustion.

From "The Kill Order (Maze Runner, Book Four; Origin)" by James Dashner

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