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electrothermal
electrothermal adj. 
/iˌlɛktroʊˈθərm(ə)l/ [after German elektro-thermisch (J. C. Poggendorf 1847, in Ann. der Physik u. Chem. 71 226)] involving both electricity and heat, or both electrical and thermal operation; esp. using heat generated by electricity.
Brit. /ᵻˌlɛktrə(ʊ)ˈθəːml/
, /ᵻˌlɛktrə(ʊ)ˈθəːml/U.S. /əˌlɛktroʊˈθərm(ə)l/
, /əˌlɛktroʊˈθərm(ə)l//iˌlɛktroʊˈθərm(ə)l/ΚΠ
1848 H. Watts tr. L. Gmelin Hand-bk. Chem. I. 308 Poggendorff... Electro-thermal Decomposition, and two new Eudiometrical Methods.
1902 Encycl. Brit. XXVIII. 123/2 A process for the electrothermal reduction of oxidized ores.
1961 Engineering 10 Nov. 611 A new non-explosive process for breaking rock has been studied by the United States General Electric Company. The process is known as electrothermal forcing.
1995 New Scientist 21 Oct. 35/1 There are three types of electric propulsion system. In the simplest, an electrothermal system, electrical energy heats an inert gas such as xenon, which then escapes through a nozzle to generate thrust.
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