noun
thermodynamics
thur-moh-deye-NA-mihks
noun
1
The branch of physics dealing with heat, energy, and the conversion between them.
"The second law of thermodynamics explains why heat flows from hot to cold."
How to Use Thermodynamics
Learner’s notesIn plain EnglishThe science of how heat and energy move and change form.
Common pairings
laws of thermodynamics
the study of thermodynamics
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The second law of _____ explains why heat flows from hot to cold.
Etymology
From thermo- ("heat") plus dynamics, first used in the 1850s.