Electro-thermancy :: Electro-thermancy (n.) That branch of electrical science which treats of the effect of an electric current upon the temperature of a conductor, or a part of a circuit composed of two different metals..
Homoiothermal :: Homoiothermal (a.) Maintaining a uniform temperature; haematothermal; homothermic; -- applied to warm-bodied animals, because they maintain a nearly uniform temperature in spite of the great variations in the surrounding air; in distinct from the cold-blooded (poikilothermal) animals, whose body temperature follows the variations in temperature of the surrounding medium..
Hydrothermal :: Hydrothermal (a.) Of or pertaining to hot water; -- used esp. with reference to the action of heated waters in dissolving, redepositing, and otherwise producing mineral changes within the crust of the globe..