endothermic

adj. warm-blooded, having a constant internal temperature (Biology); pertaining to the absorption of heat (Chemistry)

This article is about the physical effect. For self-maintained thermal homeostasis, see warm-blooded.In thermodynamics, the word endothermic describes a process or reaction that absorbs energy in the form of heat. Its etymology stems from the Greek prefix endo-, meaning “inside” and the Greek suffix –thermic, meaning “to heat”. The opposite of an endothermic process is an exothermic process, one that releases energy in the form of heat. The term “endothermic” was coined by Marcellin Berthelot.
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Adjective
1. (of a chemical reaction or compound) occurring or formed with absorption of heat
(synonym) endothermal, heat-absorbing
(antonym) exothermic, exothermal, heat-releasing
(see-also) endoergic, energy-absorbing

Compare with exothermic .An endothermic process is a process that absorbs heat. A positive sign on heat or on the enthalpy change associated with a process indicates that it is endothermic.

endothermic /,endou'θə:məl/ (endothermic) /,endou'θə:mik/
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