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

The report also notes that the company plans to use Intel’s 8161 5G modem chip, although there are still some technical issues around heat dissipation that need to be resolved. Andrew Liptak, The Verge, "The phone could use Intel’s 5G modem," 3 Nov. 2018 The second generation of machines, however, uses the Snapdragon 850, a variant of the Snapdragon 845 that's designed for the bigger batteries and higher power dissipation of laptops and tablets. Peter Bright, Ars Technica, "Samsung launches Snapdragon 850-powered Windows 2-in-1," 18 Oct. 2018 The street wasn’t always a synonym for dissipation and degradation. Joanne Kaufman, WSJ, "‘Devil’s Mile’ Review: Dance Halls, Derelicts and Condos," 24 Aug. 2018 Overall, Asus has done a great job addressing heat dissipation on the Scar II. Stefan Etienne, The Verge, "Asus Strix Scar II review: lights, camo, action," 17 July 2018 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

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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Last Updated

28 Nov 2018

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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).


a nest or breeding place

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