geothermal(pertaining to heat energy) adjective [UK: ˌdʒiːəʊ.ˈθɜːm.l̩] [US: ˌdʒiːo.ʊ.ˈθɜːm.l̩]I would like to set up a geothermal installation. = Vorrei realizzare un impianto geotermico.
idrogeotermicoadjective
hydro-geothermal(that employs water heated geothermally) adjective