1. A border or demarcation line between two areas, regions, or jurisdictions that is subject to change or adjustment
The movable boundary between the two properties was adjusted after the land survey.
A fronteira móvel entre as duas propriedades foi ajustada após o levantamento topográfico.
2. In physics or engineering, a limit or edge that can shift position in response to external forces or conditions
The movable boundary of the fluid domain changes as the material deforms.
A fronteira móvel do domínio fluido muda conforme o material se deforma.
3. In geography or geopolitics, a border that is not fixed and may be subject to dispute or renegotiation
Historically, the movable boundary between the empires shifted with military campaigns.
Historicamente, a fronteira móvel entre os impérios se deslocava com as campanhas militares.