heatfatigue
nounUK /ˈhiːt fəˌtiːɡ/
US /ˈhiːt fəˌtiːɡ/
A feeling of being very tired and weak because your body got too hot.
After playing soccer in the sun all afternoon, he felt heatfatigue and had to sit in the shade.
RELATED WORDS
OTHER MEANINGS
2. A tired, worn-out feeling in a machine or material caused by too much heat.
The old engine showed signs of heatfatigue after running for hours.
3. A drop in energy or performance caused by hot weather.
Crops in the field suffered heatfatigue during the long drought.
4. A state of weakness in metal after repeated heating and cooling.
Engineers checked the pipes for heatfatigue before the plant reopened.