1. Areas or zones that are isolated, separated, or disconnected from the main body or system
The cut-off regions of the country experienced severe communication blackouts.
As regiões de corte do país enfrentaram apagões severos de comunicação.
2. In physics and mathematics, regions where certain conditions cease to apply or where solutions are no longer valid
The cut-off regions in the energy spectrum were clearly defined.
As regiões de corte no espectro de energia foram claramente definidas.
3. Geographic areas that are geographically remote or difficult to access
Medical supplies were difficult to deliver to the cut-off regions.
Era difícil entregar suprimentos médicos nas regiões isoladas.