Exergy

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 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."

Synonyms

All synonyms
free energyfree energy

Example

More examples

"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."

Etymology

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

Related phrases

second law of thermodynamics

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.