thermo·dynam·icsBrE/ˌθɜːməʊdaɪˈnæmɪks/NAmE/ˌθɜːrmoʊdaɪˈnæmɪks/noun[U]thesciencethatdealswiththerelationsbetweenheatandotherformsofenergy热力学◆thelawsofthermodynamics热力学定律Uncountable nouns ending in –icsathletics,ballistics,civics,cybernetics,genetics,geophysics,gymnastics,linguistics,optics,orthodontics,orthopaedics,phonetics,phonics,physics,semantics,semiotics,stylistics,thermodynamics▸thermo·dynam·icBrE/ˌθɜːməʊdaɪˈnæmɪk/NAmE/ˌθɜːrmoʊdaɪˈnæmɪk/adjective