dis·​si·​pa·​tion | \ ˌdi-sə-ˈpā-shən How to pronounce dissipation (audio) \

Definition of dissipation

1 : the action or process of dissipating : the state of being dissipated:
a : dispersion, diffusion the dissipation of the smoke the dissipation of enemy forces
c : wasteful expenditure the dissipation of the family's fortune
d : intemperate living especially : excessive drinking
2 : an act of self-indulgence lived a life of dissipation especially : one that is not harmful : amusement

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Examples of dissipation in a Sentence

Insulation helps prevent the dissipation of heat from houses in the winter. a movie about the dissipation of a famous heir's fortune He lived a life of dissipation.
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Recent Examples on the Web There appear to be heat dissipation vents on the top of the consoles as well, so an upright stance may be preferred. Louryn Strampe, Wired, "This Is the PlayStation 5. Both of Them," 11 June 2020 All of this, of course, is contingent on the dissipation of the novel coronavirus in a time frame that would realistically allow for a lengthy season. Jim Reineking, USA TODAY, "MLB commissioner Rob Manfred isn't optimistic about 162-game season," 26 Mar. 2020 Ford specified 20-inch wheels to make room for massive 16.53-inch front brake discs that deliver 25% more heat dissipation than the GT350’s brakes. Mark Phelan, chicagotribune.com, "Auto review: 760-horsepower 2020 Ford Mustang Shelby GT500 strikes like lightning," 1 Nov. 2019 Heat dissipation is a major issue with any computer, but more so when there is little room for airflow. Ken Colburn, azcentral, "Expensive repairs, scarce parts among reasons to avoid all-in-one PCs," 3 Feb. 2020 The easiest and most obvious takeaway is the return of suiting to menswear’s fore and the dissipation of streetwear from the catwalks. Steff Yotka, Vogue, "The 9 Most Important Trends of the Men’s Fall 2020 Season," 27 Jan. 2020 Indeed, a recurring theme in the Ferrante novels that all four of the writers here touch upon is Lila’s anxiety about the dissipation of boundaries between people and things. Jennifer Wilson, The New Republic, "An Experiment in Reading Elena Ferrante," 16 Jan. 2020 Koalas primarily live in eucalyptus groves, which are a one-stop shop for hydration, nutritional needs, and heat dissipation. Ali Wunderman, Condé Nast Traveler, "How Koalas Are Impacted by Australia’s Wildfires—And What You Can Do to Help," 16 Dec. 2019 Don’t use laptop computers on carpets, blankets or other soft surfaces that can interfere with heat dissipation from underside vents. Don’t charge a device under a pillow, on a sofa or on a bed. Ron Hurtibise, sun-sentinel.com, "Rechargeable batteries in your favorite devices can ignite and burn down your house," 18 Nov. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'dissipation.' 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 dissipation

15th century, in the meaning defined at sense 1

History and Etymology for dissipation

see dissipate

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Time Traveler for dissipation

Time Traveler

The first known use of dissipation was in the 15th century

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Statistics for dissipation

Last Updated

22 Jun 2020

Cite this Entry

“Dissipation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dissipation. Accessed 10 Jul. 2020.

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More Definitions for dissipation


How to pronounce dissipation (audio)

English Language Learners Definition of dissipation

: the process of slowly disappearing or becoming less
: the act of using all or a lot of money, time, etc., in a foolish way
disapproving : behavior that shows you are interested only in pleasure, money, etc.


dis·​si·​pa·​tion | \ ˌdi-sə-ˈpā-shən How to pronounce dissipation (audio) \

Kids Definition of dissipation

1 : the act of causing to break up and disappear the dissipation of the fog
2 : indulgence in too much pleasure

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