# geothermy

> English word · Noun · IPA /ˈd͡ʒi.oʊˌθɜɹ.mi/

## Definitions
1. The heat produced by the natural processes of the Earth, including heat from the undercrust, plate tectonics, volcanism, and other sources.
2. The process and practice of harvesting heat produced by the Earth to be used as an energy source.
3. The study of heat produced naturally by the Earth, usually considered a subdiscipline of geophysics.

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

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/geothermy