1. Areas of land or space that are near or along the border between two territories, countries, or distinct areas
The boundary regions between the two nations have been disputed for centuries.
As regiões fronteiriças entre as duas nações têm sido disputadas há séculos.
2. In geography or mapping, areas that mark the limits or edges of a defined zone or jurisdiction
Researchers studied the boundary regions to understand the transition between ecosystems.
Os pesquisadores estudaram as regiões fronteiriças para entender a transição entre ecossistemas.
3. In mathematics or science, areas where properties or values change or transition
The boundary regions of the quantum field exhibit unique properties.
As regiões fronteiriças do campo quântico exibem propriedades únicas.