Webster's English Dictionary

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dissipation

dis.si.pa.tion \.dis-*-'pa--sh*n\ n 1: the act of dissipating : the state 
   of being dissipated :  1a: DISPERSION, DIFFUSION  archaic  1b: 
   DISINTEGRATION  1c: wasteful expenditure  1d: intemperate living; esp : 
   excessive drinking  2: idle diversion : AMUSEMENT