say it: thur-moh-dahy-NAM-iks
thermodynamics is a noun meaning "the branch of physics concerned with the conversion of different forms of energy". It is pronounced /ˌθɝmoʊˌdaɪˈnæmɪks/ — thur-moh-dahy-NAM-iks. It carries one recorded sense.
the branch of physics concerned with the conversion of different forms of energy
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for thermodynamics come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.