1(with reference to a feeling or emotion) disappear or cause to disappear: [no object]:the concern she’d felt for him had wholly dissipated [with object]:he wanted to dissipate his anger
disperse or scatter:the cloud of smoke dissipated
2 [with object] waste or fritter away (money, energy, or resources):he inherited, but then dissipated, his father’s fortune
Physics cause (energy) to be lost through its conversion to heat:no power is dissipated in this sort of control element
