Geothermal (adjective)

1. Of or relating to the heat or temperature of the earth's interior.
2. Pertaining to a source of heat or energy that is generated by the earth's internal heat.
3. Derived from geothermal energy.

Origin:

Derived from greek roots 'geo' meaning 'earth' and 'therme' meaning 'heat'.

Examples:

1. A geothermal plant uses the heat from hot water springs to generate electricity.
2. Geothermal energy is a renewable source of energy that can be harnessed to heat buildings and homes.
3. The geothermal pool in Iceland is known for its natural hot water from geothermal activity.
4. The geothermal system in the house makes use of the earth's internal heat for heating and cooling.
5. The geothermal resource can be used for a range of applications, including generating electricity and heating homes.