The thermal energy from the sun is used to heat the water.

The thermal barrier coating on the engine helps to reduce heat transfer.

Thermal pollution is a major environmental concern caused by the discharge of hot water from factories into rivers and lakes.

Thermal coal is a type of coal used for generating heat and electricity.

One British thermal unit is the amount of heat required to raise the temperature of one pound (453.59g) of water by one degree Fahrenheit.