The word geothermal is used to describe the energy heat that is hides low land. Geothermal energy is generated due to the heat of the lava, volcanoes or land cracks that transfer heat to different layers of the crust. That energy is used today apra to heat homes or facilities in a way ecological and low cost. The springs thermal hot water where you can swim even in winter are examples of water heated naturally by geothermalenergy sources.
geothermal is incorrectly written, and should be written as "geothermal" being its meaning:
Singular feminine adjective of geothermal energy, which etymologically means " the heat of the Earth " GE ges: land and thermon thermou: heat. It is a branch of Geophysics which studies the internal thermal phenomena of planet Earth. Also called thus the industrial techniques to use this heat, which comes mostly through the water, to transform it into energy. The set of these thermal phenomena internal to the Earth are also called geothermal energy