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

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.
Recent Examples on the Web Gen 1 is with extra memory and better heat dissipation. Patrick Moorhead, Forbes, 7 Mar. 2022 But OnePlus has taken things a step further for this particular phone, with a new heat dissipation system that relies on a customized vapor chamber on both sides of the motherboard. Maren Estrada, BGR, 31 Mar. 2022 In case of a complete power outage, there is a risk of disabling the safety of important systems and equipment, in particular: ventilation, heat dissipation, technological, and radiation control systems. Time, 17 Mar. 2022 The bump has just evaporated, presumably thanks to heat dissipation restrictions. Ron Amadeo, Ars Technica, 21 Mar. 2022 While there are other dielectric resins available in AM, Radix has a much better dissipation factor than existing materials so that less power is lost as electricity transmits through a circuit. Michael Molitch-hou, Forbes, 7 Mar. 2022 However, the small chassis might negatively affect heat dissipation, causing the hardware to throttle. Brittany Vincent, BGR, 16 Feb. 2022 In open-mouthed dissipation, Pan greets visitors and inevitably draws a smile and closer examination. William A. Wallace, WSJ, 28 Jan. 2022 Getting into more detail, the new G2s gain a new ‘brightness booster’ heat dissipation element in their construction, enabling them to deliver still more brightness than their G1 predecessors did (without increasing the chance of screen burn). John Archer, Forbes, 3 Jan. 2022 See More

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.

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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Dictionary Entries Near dissipation



dissipation of energy

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Statistics for dissipation

Last Updated

24 Apr 2022

Cite this Entry

“Dissipation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dissipation. Accessed 19 May. 2022.

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More Definitions for dissipation


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

More from Merriam-Webster on dissipation

Nglish: Translation of dissipation for Spanish Speakers

Britannica.com: Encyclopedia article about dissipation


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