# thermodynamic

/ˌθɝmoʊˌdaɪˈnæmɪk/ (US) · /θˌɜːmədaɪnˈæmɪk/ (UK) · CEFR C1 · Adjective

Source: https://englishreference.com/word/thermodynamic
Updated: 2026-05-19

## Definition

relating to the way heat moves and how it affects the energy and movement of matter.

For teachers: relating to the branch of physics that deals with heat and its conversion to mechanical energy.

## Examples

- The engine uses thermodynamic principles to convert fuel into motion.
- Engineers study thermodynamic cycles to improve the efficiency of power plants and refrigeration systems.
- The efficiency of a thermodynamic system is determined by the ratio of useful work output to the total heat energy input, following the laws of entropy and energy conservation.

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