dis·si·pate /ˈdɪsəˌpet/
 (vt.)散失,驅散,浪費(vi.)消散,放蕩
 Dis·si·pate, v. i.
 1. To separate into parts and disappear; to waste away; to scatter; to disperse; to vanish; as, a fog or cloud gradually dissipates before the rays or heat of the sun; the heat of a body dissipates.
 2. To be extravagant, wasteful, or dissolute in the pursuit of pleasure; to engage in dissipation.
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 dis·si·pate v. t. [imp. & p. p. Dissipated; p. pr. & vb. n. Dissipating.]
 1. To scatter completely; to disperse and cause to disappear; -- used esp. of the dispersion of things that can never again be collected or restored.
    Dissipated those foggy mists of error.   --Selden.
    I soon dissipated his fears.   --Cook.
    The extreme tendency of civilization is to dissipate all intellectual energy.   --Hazlitt.
 2. To destroy by wasteful extravagance or lavish use; to squander.
    The vast wealth . . . was in three years dissipated.   --Bp. Burnet.
 Syn: -- To disperse; scatter; dispel; spend; squander; waste; consume; lavish.
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 dissipate
      v 1: to cause to separate and go in different directions; "She
           waved her hand and scattered the crowds" [syn: disperse,
            dispel, break up, scatter]
      2: move away from each other; "The crowds dispersed"; "The
         children scattered in all directions when the teacher
         approached"; [syn: disperse, scatter, spread out]
      3: spend frivolously and unwisely; "Fritter away one's
         inheritance" [syn: fritter, frivol away, shoot, fritter
         away, fool, fool away]
      4: live a life or pleasure, especially with respect to
         alcoholic consumption