autothermal

adjective
au·to·ther·mal | \ ˌȯ-tō-ˈthər-məl \

Definition of autothermal 

chemistry

: of, relating to, or being a reaction that creates synthesis gas using only the heat produced by the reaction itself One of the major advantages of thermophilic digestion (anaerobic and aerobic) is the ability to operate the digester under autothermal conditions. The biogas produced can be used as a heat source for the digester and to generate power. —T. Amani et al., Environmental Reviews, December 2010

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First Known Use of autothermal

1923, in the meaning defined above

History and Etymology for autothermal

auto- entry 1 + thermal entry 1

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The first known use of autothermal was in 1923

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