Meanings
plural exergies
- countableuncountablenatural sciencesConcentrated 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.
2002, J. Honerkamp, Statistical Physics, page 298Synonyms: free energy
Synonyms & antonyms
nounConcentrated or organized energy, which can be exported and do work in the process.
Origin
- Ancient Greekἐξ“out of, away from”
- Englishexergy
The term "exergy" was coined in 1956 by Zoran Rant (1904–1972) from Ancient Greek ἐξ (ex, “out of, away from”) + ἔργον (érgon, “work”).
More words from Ancient Greek
Full word history & related roots →Cite this entry
exergy. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/exergy
“exergy.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/exergy. Accessed November 3, 2026.
WatkinsX Dictionary, s.v. “exergy,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/exergy.
Source: exergy on Wiktionary, CC BY-SA 4.0.