1. The action of disconnecting or separating oneself from something
The dissociation of the company from its parent corporation was completed last year.
A dissociação da empresa de sua corporação-mãe foi concluída no ano passado.
2. In psychology, a mental process involving disconnection from thoughts, feelings, memories, or sense of identity
She experienced dissociation during the traumatic event.
Ela experimentou dissociação durante o evento traumático.
3. In chemistry, the breaking apart of a compound into simpler components
The dissociation of water molecules occurs at high temperatures.
A dissociação de moléculas de água ocorre em altas temperaturas.