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 thermodynamics (audio) , -​də-​ \ noun

Examples of thermodynamics in a Sentence

Recent Examples on the Web Maybe not thermodynamics, exactly; no physicist is going to applaud the lessons here. James Ross Gardne, The New Yorker, 30 June 2021 Your first thought might be to object on the grounds of thermodynamics. Ethan Siegel, Forbes, 21 May 2021 Landauer’s erasure principle provided a tantalizing link between information and thermodynamics. Quanta Magazine, 22 Apr. 2021 Seen in this way, the inexorable rise in entropy, or disorder, as quantified by the second law of thermodynamics, takes on an almost mathematical certainty. Quanta Magazine, 22 Apr. 2021 Although thermodynamics has been studied for hundreds of years, filmmaker Sen writes, few nonscientists appreciate how its principles have shaped the modern world. Andrea Gawrylewski, Scientific American, 18 Feb. 2021 However important, the history of thermodynamics is messy. Sam Kean, WSJ, 23 Mar. 2021 Improved viticulture, better control of fermentation thermodynamics and the ability for winemakers to fly and work throughout the world have all been factors that have elevated the quality of international wines during the past 30 years. Tom Mullen, Forbes, 28 Feb. 2021 The laws of physics, most particularly in the realm of thermodynamics, ensure this. Peter M. Leschak, Star Tribune, 27 Feb. 2021

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.

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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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Dictionary Entries Near thermodynamics

thermodynamic potential


thermodynamic scale

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Statistics for thermodynamics

Last Updated

3 Jul 2021

Cite this Entry

“Thermodynamics.” Dictionary, Merriam-Webster, Accessed 28 Jul. 2021.

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More Definitions for thermodynamics



English Language Learners Definition of thermodynamics

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


noun, plural in form 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

More from Merriam-Webster on thermodynamics

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


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