free energy

American  

noun

Thermodynamics.

1. Gibbs function.

2. Helmholtz function.

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free energy British  

noun

1. a thermodynamic property that expresses the capacity of a system to perform work under certain conditions See Gibbs function Helmholtz function

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free energy Scientific  

1. A thermodynamic quantity that is the difference between the internal energy of a system and the product of its absolute temperature and entropy. Free energy is a measure of the capacity of the system to do work. If its value is negative, the system will have a tendency to do work spontaneously, as in an exothermic chemical reaction. Free energy is measured in kilojoules per mole.

2. Also called Gibbs free energy

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Example Sentences

Despite the obvious benefits of free energy and even selling surplus power to the grid, the installation costs are high.

From BBC

The charity, which offers offer free energy advice, debt support, and grants, is expecting to see up to 50% more people using the service than last year because energy debt is piling up.

From BBC

But for Mr Baker's ice cream factory, it meant free energy.

From BBC

And imagine if you were charging your car with energy from your own solar panels - you could sell this free energy to the grid for a decent margin, trials have shown.

From BBC

Quantitatively measuring the free energy differences between crystalline forms is no small challenge.

From Science Daily