isothermal processA process during which energy enters or leaves a system in such a way that a constant temperature is maintained. Astrophysical examples include the descent of a protostar down the Hayashi track and the collapse of an evolved star to become a white dwarf. Compare with adiabatic process. Related category• HEAT AND THERMODYNAMICSAlso on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History |