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internal energy
noun
Thermodynamics.
- a function of thermodynamic variables, as temperature, that represents the internal state of a system that is due to the energies of the molecular constituents of the system. The change in internal energy during a process is equal to the net heat entering the system minus the net work done by the system. : U
internal energy
noun
- the thermodynamic property of a system that changes by an amount equal to the work done on the system when it suffers an adiabatic change. It is the sum of the kinetic and potential energies of its constituent atoms, molecules, etc UE
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51Թ History and Origins
Origin of internal energy1
First recorded in 1885–90
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