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Definition of geothermal

geothermal

/ˌdʒiː.oʊˈθɜːr.məl/
ge · o · ther · mal
Adverb:geothermally
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geothermal Lexical Profile

geothermal Game Scores & Validity

• adjective

1

Relating to, originating from, or utilizing the internal heat of the Earth.

Example

"Iceland relies heavily on geothermal energy to heat its homes and generate electricity."

Synonyms
View all synonyms for geothermal

• Rhymes for geothermal

• Nearby Words

georgina river
geoscience
geotag
geothermal
geothermally
geothermic
geranium

Word Origin & Etymology

Coined in the late 19th century from the Greek roots 'geō-' (meaning 'earth') and 'thermē' (meaning 'heat'), combined with the adjectival suffix '-al'.

Cite this Entry

Wordmom. (2026). Definition of Geothermal. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/geothermal
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