thermodynamics
nounUK /ˌθɜːməʊdaɪˈnæmɪks/
US /ˌθɝːmoʊdaɪˈnæmɪks/
Thermodynamics is the science of how heat moves and changes things.
In science class, we learned that thermodynamics explains why ice melts in a warm room.
RELATED WORDS
OTHER MEANINGS
2. The study of how energy turns into work and other forms.
Engineers use thermodynamics to design better car engines.
3. The set of rules that describe how heat and energy behave in a system.
The laws of thermodynamics tell us that energy cannot be created or destroyed.
4. The branch of physics that deals with heat, work, and temperature.
She studied thermodynamics to understand how refrigerators keep food cold.