See also: géothermie Dutch Etymology Perhaps borrowed from German Geothermie or French géothermie. Equivalent to geo- + thermie. Pronunciation IPA(key): /ˌɣeː.oː.tɛrˈmi/ Hyphenation: geo‧ther‧mie Rhymes: -i Noun geothermie f (uncountable) geothermal energy Related terms geotherm geothermischWikiwand - on Seamless Wikipedia browsing. On steroids.