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English definition of “dissipate”

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dissipate

verb [I or T] uk   /ˈdɪs.ɪ.peɪt/ formal us  
to (cause to) gradually disappear or waste: The heat gradually dissipates into the atmosphere. His anger dissipated as the situation became clear.
dissipation
noun [U] uk   /ˌdɪs.ɪˈpeɪ.ʃən/ formal us  
(Definition of dissipate from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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