Gibbs free energy

Etymology
For, American physicist.

Noun

 * 1)  The 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.
 * $$ \Delta G = \Delta H - T \Delta S $$ and $$ G = H - T S $$ where G is Gibbs free energy, H is enthalpy, T is temperature, and S is entropy.

Translations

 * Catalan: energia lliure de Gibbs
 * Chinese:
 * Mandarin: 吉布斯自由能
 * Finnish: Gibbsin energia
 * Russian: свобо́дная эне́ргия Ги́ббса