Dis′si‐pa″tion (?), n. [L. dissipatio: cf. F. dissipation.] 1. The act of dissipating or dispersing; a state of dispersion or separation; dispersion; waste.
Without loss or dissipation of the matter. Bacon.
The famous dissipation of mankind. Sir M. Hale.
2. A dissolute course of life, in which health, money, etc., are squandered in pursuit of pleasure; profuseness in vicious indulgence, as late hours, riotous living, etc.; dissoluteness.
To reclaim the spendthrift from his dissipation and extravagance. P. Henry.
3. A trifle which wastes time or distracts attention.
Prevented from finishing them a thousand avocations and dissipations. Swift.
Dissipation of energy. Same as Degradation of energy, under Degradation.