A branch of physics that deals with the relationships between heat, work, and energy, as well as the related changes of state in systems.
example
Im Maschinenbaustudium ist die Thermodynamik ein zentrales und anspruchsvolles Fach.
In mechanical engineering studies, thermodynamics is a central and demanding subject.
Usage tips
Word structure
The word comes from Greek. The part 'Thermo-' means 'heat', and '-dynamik' stands for 'force' or 'movement'. So it is the study of movement through heat.
EXAMPLE
Die Entwicklung der Dampfmaschine ist eng mit der Thermodynamik verbunden.
The development of the steam engine is closely connected with thermodynamics.
Register: technical language
'Thermodynamik' (thermodynamics) is a technical term from physics and engineering. In normal everyday life, this word is only used when talking about scientific topics.
EXAMPLE
Für meine Prüfung in Physik muss ich die Grundlagen der Thermodynamik lernen.
For my physics exam, I have to learn the basics of thermodynamics.
Typical collocations
The word is especially often found in connection with its fundamental rules, the 'Hauptsätze der Thermodynamik' (laws of thermodynamics).
EXAMPLE
Der zweite Hauptsatz der Thermodynamik beschreibt die Richtung von Prozessen.
The second law of thermodynamics describes the direction of processes.