the GNU version of the Collaborative International Dictionary of English
adj. Tending to dissipate.
The Century Dictionary and Cyclopedia
Tending to dissipate or disperse; dispersive.
Of or pertaining to the phenomenon of the dissipation of energy. See energy.
Word Usage
"(The analogy doesn't quite work, however, because human society more closely resembles what Prigogine termed a dissipative system, a type of system far from thermodynamic equilibrium due to the large flows of energy through the system)."