noun
- Energy derived from the heat in the interior of the earth. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). geothermal energy. Retrieved September 23, 2026, from http://smartdefine.org/geothermal_energy/definitions/1235595 |
| Chicago | WordNet. 2010. "geothermal energy" http://smartdefine.org/geothermal_energy/definitions/1235595 (accessed September 23, 2026). |
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| MLA | WordNet. "geothermal energy" 23 October 2010. Web. 23 September 2026. <http://smartdefine.org/geothermal_energy/definitions/1235595> |