hydrothermal — hydrothermal, ale, aux [ idrotɛrmal, o ] adj. • 1866; de hydro et thermal ♦ Didact. Qui se rapporte aux eaux thermales; qui résulte de l action des eaux thermales. Source hydrothermale. Minéral hydrothermal, formé à partir des minéraux présents… … Encyclopédie Universelle
hydrothermal — hydrothermal, ale (entrée créée par le supplément) (i dro tèr mal, ma l ) adj. Qui appartient aux sources d eau thermale. • Le tableau complet et fidèle des richesses hydrothermales que la France possède, Journal offic. 13 mars 1877, p. 1882,… … Dictionnaire de la Langue Française d'Émile Littré
hydrothermal — 1849, from HYDRO (Cf. hydro ) + THERMAL (Cf. thermal) … Etymology dictionary
hydrothermal — ► ADJECTIVE ▪ relating to the action of heated water in the earth s crust. DERIVATIVES hydrothermally adverb … English terms dictionary
hydrothermal — [hī΄drəthʉr′məl] adj. having to do with hot water; esp., having to do with the action of hot water in producing minerals and springs or in dissolving, shifting, and otherwise changing the distribution of minerals in the earth s crust … English World dictionary
Hydrothermal synthesis — includes the various techniques of crystallizing substances from high temperature aqueous solutions at high vapor pressures; also termed hydrothermal method . The term hydrothermal is of geologic origin. Geochemists and mineralogists have studied … Wikipedia
Hydrothermal circulation — in its most general sense is the circulation of hot water; hydros in the Greek meaning water and thermos meaning heat. Hydrothermal circulation occurs most often in the vicinity of sources of heat within the Earth s crust. This generally occurs… … Wikipedia
Hydrothermal vent — Marine habitats White smokers emitting liquid carbon dioxide at the Champagne vent, Northwest Eifuku volcano, Marianas Trench Marine National Monument Littoral zone … Wikipedia
Hydrothermal explosion — A hydrothermal explosion is the process in which water rapidly converts from its liquid to boiling state causing an explosion. Hydrothermal explosion activity drives geothermal activities such as geysers.Cause of explosionWater usually boils at… … Wikipedia
hydrothermal mineral deposit — ▪ geology any concentration of metallic minerals formed by the precipitation of solids from hot mineral laden water (hydrothermal solution). The solutions are thought to arise in most cases from the action of deeply circulating water heated … Universalium
