heat exhaustion

noun

: 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

Three children and one adult hospitalized for heat exhaustion after they got lost during a family reunion hike in Arizona amid triple-digit temperatures. —Cybele Mayes-Osterman, USA TODAY, 3 Aug. 2024

Comp said that mild forms of heat illness like heat cramps or even heat exhaustion can be treated by cooling and getting out of the heat. —Amudalat Ajasa, Washington Post, 1 Aug. 2024

Excessive use of turf can also create heat islands — urbanized areas that experience higher temperatures than outlying areas — which pose a risk of burns, heat stroke and heat exhaustion. —Stephanie Lam, The Mercury News, 15 Oct. 2024

Watch out for others: Check on infants, young children and the elderly more often for signs of heat exhaustion or heat stroke. —Olivia Rose, The Arizona Republic, 8 Oct. 2024

Word History

First Known Use

1861, in the meaning defined above

Kids Definition

heat exhaustion

noun

: a condition marked by weakness, nausea, dizziness, and much sweating that results from physical exertion in a hot environment

called also heat prostration

compare heat stroke

Medical Definition

heat exhaustion

noun

: 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