internal energy
noun
: the total amount of kinetic and potential energy possessed by the molecules of a body and their ultimate parts owing to their relative positions and their motions inside the body and excluding the energy due to the passage of waves through the body and to vibrations of the body
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“Internal energy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/internal%20energy. Accessed 23 Nov. 2024.
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