Noun

(wikipedia exergy)

(physics) Concentrated or organized energy, which can be exported and do work in the process.

:::The maximum fraction of an energy form which (in a reversible process) can be transformed into work is called exergy. The remaining part is called anergy, and this corresponds to the waste heat.Honerkamp, J. ? Statistical Physics ? Springer, 2002, p. 298 :::To be useful, internal energy has to be concentrated. The more dilute or disorganized the internal energy, the less useful it is ...Newman, Jay ? Physics of the Life Sciences ? Springer, 2008, p. 336