statistical mechanics is a noun meaning "the branch of physics that makes theoretical predictions about the behavior of macroscopic systems on the basis of statistical laws governing its component particles". It carries one recorded sense.
the branch of physics that makes theoretical predictions about the behavior of macroscopic systems on the basis of statistical laws governing its component particles
Definitions, synonyms and semantic relations for statistical mechanics come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.