dis·si·pa·tion | \ˌdi-sə-ˈpā-shən \

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

b archaic : dissolution, disintegration

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

Leave enough space around any electrical appliance to allow for heat dissipation. Caroline Picard, Good Housekeeping, "This Why You Should NEVER Plug Space Heaters Into Power Strips," 29 Nov. 2017 In sum, the Receiver must be deeply qualified to do justice and identify, collect, and protect all property subject to the receivership and minimize dissipation of estate assets. James Freeman, WSJ, "Will Victims of a Ponzi Scheme Now Pay for a Diversity Scheme?," 5 June 2018 The company even crammed additional fins into the radiator, increasing the surface areas and heat dissipation. Mark Hachman, PCWorld, "Choose your weapon: Asus unveils ROG Strix gaming laptops tuned for shooters or MOBAs," 4 June 2018 Owens’ clients who have had success saw the dissipation of chronic pain as well as a boost in mood and energy. Abigail Barronian, Outside Online, "Traditional Chinese Medicine Holds the Secret to Heath," 1 June 2018 Weather models suggest that the frontal boundary will move northward through the afternoon, placing the bulk of our immediate region in warmer, unstable air, along with dissipation of low-level clouds. Jeff Halverson, Washington Post, "‘Widespread damaging winds’, possible derecho, could affect the Washington region this evening," 14 May 2018 No slow dissipation for the Trashers, no aging and decline. Rich Cohen, The Atlantic, "The Mobster Who Bought His Son a Hockey Team," 14 Apr. 2018 The show uses red dust to convey the dissipation of memories. Rebecca Farley, refinery29.com, "Let's Talk About The Nutty, Devastating Ending Of Netflix's Tabula Rasa," 26 Mar. 2018 Athenian democracy lasted two centuries, the Republic of Venice a millennium, but both eventually faced decline and dissipation. Rachel Aviv, The New Yorker, "Donald Trump and the Stress Test of Liberal Democracy," 13 Mar. 2017

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

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

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More Definitions for dissipation



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

: behavior that shows you are interested only in pleasure, money, etc.


dis·si·pa·tion | \ˌdi-sə-ˈpā-shən \

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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Comments on dissipation

What made you want to look up dissipation? Please tell us where you read or heard it (including the quote, if possible).


evasion of direct action or statement

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