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Definition of Geothermal energy
1. Noun. Energy derived from the heat in the interior of the earth.
Definition of Geothermal energy
1. Noun. heat under the ground used to heat water and make steam to turn generator turbines and make electricity. ¹
¹ Source: wiktionary.com
Medical Definition of Geothermal energy
1. Energy derived from the natural heat of the Earth contained in hot rocks, hot water, hot brines or steam. (05 Dec 1998)