free energy

noun

Helmholtz free energy, A: the internal energy of a system minus the product of its entropy and absolute temperature.

“free energy suppression”

Similar
exergyenergy
Opposite
anergybound energy
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Meanings

nounfree energy (uncountable)
  1. The energy available in a particular chemical system to do useful work. In more detail:
    1. physicaluncountablechemistryHelmholtz free energy, A: the internal energy of a system minus the product of its entropy and absolute temperature.
    2. physicaluncountablechemistryGibbs free energy, G: the enthalpy of a system minus the product of its entropy and absolute temperature.
  2. uncountableUsed other than figuratively or idiomatically: see free, energy.

    free energy suppression

Synonyms & antonyms

Similar
exergy
Opposite
anergybound energy
Broader
energy
Narrower
Gibbs free energyHelmholtz free energy

noun(physics) a thermodynamic quantity equivalent to the capacity of a physical system to do work; the units of energy are joules or ergs

Similar
energy
Broader
physical phenomenon
Also see
energyexergy

Synonym sets from Open English WordNet, CC BY 4.0.

Translations

Chinese Mandarin 自由能
  • 自由能 (zìyóunéng)free energy of any type
Finnish vapaaenergia, vapaa energia
  • vapaaenergiafree energy of any type
  • vapaa energiafree energy of any type
Tagalog malayang kusog
  • malayang kusogfree energy of any type
Cite this entry
APA

free energy. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/free%20energy

MLA

“free energy.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/free%20energy. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “free energy,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/free%20energy.

Source: free energy on Wiktionary, CC BY-SA 4.0.