dissipation (
http://definr.com/dissipation)
n 1: breaking up and scattering by dispersion; "the dissipation
of the mist"
2: dissolute indulgence in sensual pleasure [syn:
profligacy,
dissolution,
licentiousness]
3: useless or profitless activity; using or expending or
consuming thoughtlessly or carelessly: "if the effort
brings no compensating gain it is a waste"; "mindless
dissipation of natural resources" [syn:
waste,
wastefulness]