Definition of heat exhaustion
: 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
First Known Use of heat exhaustion
HEAT EXHAUSTION Defined for English Language Learners
Definition of heat exhaustion for English Language Learners
medical : a condition that happens when someone is too active in extremely hot conditions and that causes a person to sweat and feel very weak, dizzy, etc.
Medical Definition of heat exhaustion
: 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
Learn More about heat exhaustion
Britannica.com: Encyclopedia article about heat exhaustion
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