Meanings
nounGibbs free energy (uncountable)
- physicaluncountablechemistryThe difference between the enthalpy of a system and the product of its entropy and absolute temperature: a measure of the useful work obtainable from a thermodynamic system at constant temperature and pressure.
ΔG=ΔH-TΔS and G=H-TS where G is Gibbs free energy, H is enthalpy, T is temperature, and S is entropy.
Origin
For Josiah Willard Gibbs, American physicist.
Full word history & related roots →Translations
Catalan energia lliure de Gibbs
- energia lliure de Gibbsdifference between the enthalpy of a system and the product of its entropy etc.
Chinese Mandarin 吉布斯自由能
- 吉布斯自由能 (Jíbùsī zìyóu néng)difference between the enthalpy of a system and the product of its entropy etc.
Finnish Gibbsin energia
- Gibbsin energiadifference between the enthalpy of a system and the product of its entropy etc.
German Gibbs-Energie, freie Enthalpie
- Gibbs-Energiedifference between the enthalpy of a system and the product of its entropy etc.
- freie Enthalpiedifference between the enthalpy of a system and the product of its entropy etc.
Russian свобо́дная эне́ргия Ги́ббса
- свобо́дная эне́ргия Ги́ббса (svobódnaja enérgija Gíbbsa)difference between the enthalpy of a system and the product of its entropy etc.
Cite this entry
APA
Gibbs free energy. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/Gibbs%20free%20energy
MLA
“Gibbs free energy.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Gibbs%20free%20energy. Accessed November 5, 2026.
Chicago
WatkinsX Dictionary, s.v. “Gibbs free energy,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/Gibbs%20free%20energy.
Source: Gibbs free energy on Wiktionary, CC BY-SA 4.0.