Standard Lemma guide

geothermy

noun · 3 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • jē′-ō-thûr′-mē
  • Southern-England: Recorded audio is listed in the source snapshot.
  • US: /ˈd͡ʒi.oʊˌθɜɹ.mi/

1

noun

Meaning 1

The heat produced by the natural processes of the Earth, including heat from the undercrust, plate tectonics, volcanism, and other sources.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable, usually

Topics: geography, geology, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

The process and practice of harvesting heat produced by the Earth to be used as an energy source.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable, usually

Topics: business, electrical, electrical-engineering, electricity, electromagnetism, energy, engineering, natural-sciences, physical-sciences, physics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

The study of heat produced naturally by the Earth, usually considered a subdiscipline of geophysics.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable, usually

Topics: geography, geology, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: geothermics

Antonyms: none provided

History

Etymology

By surface analysis, geo- (“earth, ground”) + -thermy (“heat”).

Across languages

Translations

24 source translations are retained for this English entry.

  • Armenian: գեոթերմիա (geotʻermia) — (omnidefinitional cognates)
  • Bashkir: геотермия (geotermiya) — (omnidefinitional cognates)
  • Catalan: geotèrmia — (omnidefinitional cognates)
  • Czech: geotermie — (omnidefinitional cognates)
  • Dutch: geothermie — (omnidefinitional cognates)
  • French: géothermie — (omnidefinitional cognates)
  • Galician: xeotermia — (omnidefinitional cognates)
  • German: Geothermie — (omnidefinitional cognates)
  • Greek: γεωθερμία (geothermía) — (omnidefinitional cognates)
  • Italian: geotermia — (omnidefinitional cognates)
  • Kazakh: геотермия (geotermiä) — (omnidefinitional cognates)
  • Kyrgyz: геотермия (geotermiya) — (omnidefinitional cognates)
  • Polish: geotermia — (omnidefinitional cognates)
  • Portuguese: geotermia — (omnidefinitional cognates)
  • Russian: геотерми́я (geotermíja) — (omnidefinitional cognates)
  • Spanish: geotermia — (omnidefinitional cognates)
  • Tajik: геотермия (geotermiya) — (omnidefinitional cognates)
  • Ukrainian: геотермі́я (heotermíja) — (omnidefinitional cognates)
  • Chinese Mandarin: 地熱 /地热 (dìrè) — heat produced by the Earth
  • Dutch: aardwarmte — heat produced by the Earth
  • Faroese: jarðhiti — heat produced by the Earth
  • German: Erdwärme — heat produced by the Earth
  • Icelandic: jarðhiti — heat produced by the Earth
  • Japanese: 地熱 (jinetsu) — heat produced by the Earth