Definition of dissipation noun from the Oxford Advanced Learner's Dictionary



    BrE BrE//ˌdɪsɪˈpeɪʃn//
    ; NAmE NAmE//ˌdɪsɪˈpeɪʃn//
    [uncountable] (formal)
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  1. 1the process of disappearing or of making something disappear the dissipation of energy in the form of heat
  2. 2the act of wasting money or spending money until there is none left concerns about the dissipation of the country’s wealth
  3. 3(disapproving) behaviour which is enjoyable but has a harmful effect on you
  4. Word Originlate Middle English (in the sense ‘complete disintegration’): from Latin dissipatio(n-), from the verb dissipare, from dis- ‘apart, widely’ + supare ‘to throw’.
See the Oxford Advanced American Dictionary entry: dissipation