geothermy

== English == === Etymology === By surface analysis, geo- (“earth, ground”) +‎ -thermy (“heat”). === Pronunciation === enPR: jē′-ō-thûr′-mē (US) IPA(key): /ˈd͡ʒi.oʊˌθɜɹ.mi/ === Noun === geothermy (usually uncountable, plural geothermies) (geology) The heat produced by the natural processes of the Earth, including heat from the undercrust, plate tectonics, volcanism, and other sources. (electrical engineering) The process and practice of harvesting heat produced by the Earth to be used as an energy source. (geology) The study of heat produced naturally by the Earth, usually considered a subdiscipline of geophysics. Synonym: geothermics ==== Synonyms ==== (senses 1,2): geothermal energy ==== Related terms ==== geotherm geothermal geothermality geothermic geothermics ==== Translations ==== === References === DDC Retrieval and Indexing Terminology‎[3], United States Defense Documentation Center, May 1979, page 44