heat exhaustion
nounUK /ˈhiːt ɪɡˌzɔːstʃən/
US /ˈhiːt ɪɡˌzɔːstʃən/
A sickness you get when your body gets too hot and loses too much water.
After playing soccer all afternoon in the sun, he felt dizzy and weak from heat exhaustion.
RELATED WORDS
OTHER MEANINGS
2. A state of extreme tiredness caused by hot weather or a hot environment.
The workers took breaks in the shade to avoid heat exhaustion.
3. The loss of energy or strength in a machine or system due to high temperature.
The engine showed signs of heat exhaustion after running for hours.
4. A feeling of being completely worn out by intense heat.
The garden plants wilted from heat exhaustion during the drought.