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geothermal energy

/dʒioʊˌθɛrˈmɔːl ˈɛnədʒi/ · geo.ther.mal.en.er.gy
noun
  1. Energy generated by the heat of the Earth, typically from volcanic or geothermal activity. The geothermal energy plant in Iceland provides a significant portion of the country's electricity.
noun
  1. The use of geothermal energy as a source of power or heat. The city is investing in geothermal energy to reduce its reliance on fossil fuels.
Did you know? Geothermal energy is a clean and renewable source of power, with the potential to meet a significant portion of the world's energy needs.
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Written by Lexi Wordsworth, Dictionary Editor 3 lookups Added Aug 8, 2026