exergy

noun

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

   countable, uncountable

   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.

Where it comes from

The term "exergy" was coined in 1956 by Zoran Rant (1904–1972) from Ancient Greek ἐξ (ex, “out of, away from”) + ἔργον (érgon, “work”).

Adapted from the Wiktionary entry exergy (CC BY-SA 4.0).

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