Definition of statistical mechanics

: a branch of mechanics dealing with the application of the principles of statistics to the mechanics of a system consisting of a large number of parts having motions that differ by small steps over a large range

Recent Examples of statistical mechanics from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'statistical mechanics.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of statistical mechanics

1885

in the meaning defined above

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