ther·​mo·​dy·​nam·​ics | \ ˌthər-mō-dī-ˈna-miks How to pronounce thermodynamics (audio) , -də- \

Definition of thermodynamics

1 : physics that deals with the mechanical action or relations of heat
2 : thermodynamic processes and phenomena

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Other Words from thermodynamics

thermodynamicist \ ˌthər-​mō-​dī-​ˈna-​mə-​sist How to pronounce thermodynamicist (audio) , -​də-​ \ noun

Examples of thermodynamics in a Sentence

Recent Examples on the Web But predicting the exact aftermath of a messy explosion involving gravity, thermodynamics and particle physics represents something of a cosmic final exam that astrophysicists are still working on. Charlie Wood, Scientific American, "Mystery Object Blurs Line between Neutron Stars and Black Holes," 30 June 2020 Because nature abounds with irreversible physical processes, the second law of thermodynamics plays a key role in imprinting on the world a conspicuous asymmetry between past and future directions along the time axis. Paul Davies, Scientific American, "Time’s Passage is Probably an Illusion," 24 Oct. 2014

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'thermodynamics.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of thermodynamics

1854, in the meaning defined at sense 1

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Time Traveler for thermodynamics

Time Traveler

The first known use of thermodynamics was in 1854

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Statistics for thermodynamics

Last Updated

14 Jul 2020

Cite this Entry

“Thermodynamics.” Dictionary, Merriam-Webster, Accessed 8 Aug. 2020.

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How to pronounce thermodynamics (audio)

English Language Learners Definition of thermodynamics

technical : a science that deals with the action of heat and related forms of energy


noun plural but singular or plural in construction
ther·​mo·​dy·​nam·​ics | \ -iks How to pronounce thermodynamics (audio) \

Medical Definition of thermodynamics

1 : physics that deals with the mechanical action or relations of heat
2 : thermodynamic processes and phenomena

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Spanish Central: Translation of thermodynamics

Nglish: Translation of thermodynamics for Spanish Speakers Encyclopedia article about thermodynamics

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