dissipation

noun

1. the act of dissipating.
2. the state of being dissipated; dispersion; disintegration.
3. a wasting by misuse: the dissipation of a fortune.
4. mental distraction; amusement; diversion.
5. dissolute way of living, especially excessive drinking of liquor; intemperance.
6. Physics, Mechanics. a process in which energy is used or lost without accomplishing useful work, as friction causing loss of mechanical energy.

noun

1. the act of dissipating or condition of being dissipated
2. unrestrained indulgence in physical pleasures, esp alcohol
3. excessive expenditure; wastefulness
4. amusement; diversion

1. The loss of energy from a physical system, most often in the form of heat.