In thermodynamics, **Gibbs entropy** refers to the statistical formulation of entropy for an ideal gas system of particles as found in American engineer Willard Gibbs 1902 book *Elementary Principles in Statistical Mechanics.* [1]

References

1. Gibbs, J. Willard (1901). *Elementary Principles in Statistical Mechanics** - Developed with Special Reference to the Rational Foundation of Thermodynamics. *New York: Dover.

Further reading

● Li, Ming, Vitanyi, P.M.B. (1997). *An Introduction to Kolmogorov Complexity and its Application *(section: 8.4.3: Gibbs Entropy, pgs. 564-65). Springer.