Definition of dissipate in English:

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Pronunciation: /ˈdisəˌpāt/


1 [no object] Disperse or scatter: the cloud of smoke dissipated
More example sentences
  • The clouds that had blocked the sun during the day had dissipated, scattered by the winds to reveal the stars sprawled in all their glory across the sky.
  • She disappeared in a flash of smoke, dissipating like a shaken cloud.
  • As the crowd scattered and dissipated, a few of us inched forward and managed to engage some of the sheriffs in conversation.
1.1(With reference to a feeling or other intangible thing) disappear or cause to disappear: [no object]: the concern she’d felt for him had wholly dissipated [with object]: he wanted to dissipate his anger
More example sentences
  • So immediate emotion can dissipate before a country's population can make an important decision?
  • Rage suddenly takes control as the other emotions dissipated when he'd been pulled from his meal.
  • By contrast, on film it looked like the mere aggregation of takes and cutaways; its timbres and its fluency dissipated and finally disappeared.
disappear, vanish, evaporate, dissolve, melt away, melt into thin air, be dispelled;
disperse, scatter
literary evanesce
2 [with object] Squander or fritter away (money, energy, or resources): he had dissipated his entire fortune
More example sentences
  • This fueled regional battles over property and influence, greatly dissipating the energy and resources of the OC.
  • Edwardes said: ‘The Ryder remedy only produced a bureaucratic paperchase dissipating management resource and effort.’
  • An important truth is that we need full and active participation in liturgy and you don't get that by dissipating your resources.
squander, fritter (away), misspend, waste, be prodigal with, spend recklessly/freely, spend like water;
expend, use up, consume, run through, go through (like water)
informal blow, splurge
2.1 (usually be dissipated) Physics Cause (energy) to be lost, typically by converting it to heat.
Example sentences
  • This kinetic energy will be dissipated in the form of heat on impact of the clip with the magnet.
  • There's a reduction in efficiency as energy is dissipated in heat.
  • As the basal part of the stem was linearly elastic, there was no energy dissipated by viscous friction.



Pronunciation: /ˈdisəˌpādiv/
Example sentences
  • This fact assumes a particular quality when considering ecosystems or their major compartments from the viewpoint of self-organized dissipative structures.
  • This state may be associated with dissipative structures, i.e., structures resulting from a dissipation of energy rather than from conservative molecular forces.
  • Surprisingly, the dissipative interactions decrease strongly after the first force peak occurring at a tip-sample distance of 25 nm.


Pronunciation: /ˈdisəˌpādər/
(also dissipater) noun
Example sentences
  • Indeed, the whole conflict is the greatest dissipator of energy across the region.
  • You can see pictures of these dissipators on the 737 webpage below.
  • Based on these results we have further strengthened the hypothesis that CP43’ functions as a nonradiative dissipator of light energy, thus protecting photosystem II from excessive excitation under iron-deficient conditions.


Late Middle English: from Latin dissipat- 'scattered', from the verb dissipare, from dis- 'apart, widely' + supare 'to throw'.

Words that rhyme with dissipate

anticipate, participate

For editors and proofreaders

Syllabification: dis·si·pate

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