### What does **statistical mechanics** mean?

# Definitions for statistical mechanics

sta·tis·ti·cal mechan·ics

#### This dictionary definitions page includes all the possible meanings, example usage and translations of the word **statistical mechanics**.

### Princeton's WordNet

statistical mechanicsnoun

the branch of physics that makes theoretical predictions about the behavior of macroscopic systems on the basis of statistical laws governing its component particles

### Wiktionary

statistical mechanicsnoun

The branch of physics that uses statistical laws to make theoretical predictions about macroscopic systems of particles.

### Wikipedia

Statistical mechanics

In physics, statistical mechanics is a mathematical framework that applies statistical methods and probability theory to large assemblies of microscopic entities. It does not assume or postulate any natural laws, but explains the macroscopic behavior of nature from the behavior of such ensembles. Statistical mechanics arose out of the development of classical thermodynamics, a field for which it was successful in explaining macroscopic physical properties—such as temperature, pressure, and heat capacity—in terms of microscopic parameters that fluctuate about average values and are characterized by probability distributions. This established the fields of statistical thermodynamics and statistical physics.

### ChatGPT

statistical mechanics

Statistical mechanics is a branch of physics that uses statistical methods to explain the behavior of a large number of particles in a system. It provides a framework for relating the microscopic properties of individual atoms and molecules to the macroscopic or bulk properties of materials, thus explaining thermodynamics as a result of classical mechanics, quantum mechanics, and statistics.

### Freebase

Statistical mechanics

Statistical mechanics or statistical thermodynamics is a branch of physics that applies probability theory, which contains mathematical tools for dealing with large populations, to the study of the thermodynamic behavior of systems composed of a large number of particles. Statistical mechanics provides a framework for relating the microscopic properties of individual atoms and molecules to the macroscopic bulk properties of materials that can be observed in everyday life, thereby explaining thermodynamics as a result of the classical- and quantum-mechanical descriptions of statistics and mechanics at the microscopic level. Statistical mechanics provides a molecular-level interpretation of macroscopic thermodynamic quantities such as work, heat, free energy, and entropy. It enables the thermodynamic properties of bulk materials to be related to the spectroscopic data of individual molecules. This ability to make macroscopic predictions based on microscopic properties is the main advantage of statistical mechanics over classical thermodynamics. Both theories are governed by the second law of thermodynamics through the medium of entropy. However, entropy in thermodynamics can only be known empirically, whereas in statistical mechanics, it is a function of the distribution of the system on its micro-states.

### Matched Categories

### Numerology

Chaldean Numerology

The numerical value of statistical mechanics in Chaldean Numerology is:

**4**Pythagorean Numerology

The numerical value of statistical mechanics in Pythagorean Numerology is:

**1**

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"statistical mechanics." *Definitions.net.* STANDS4 LLC, 2023. Web. 9 Dec. 2023. <https://www.definitions.net/definition/statistical+mechanics>.

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