Boundary

Boundary (plural: boundaries) may refer to:

Border
in psychology,
- Personal boundaries
in mathematics,
- Boundary (topology), the closure minus the interior of a subset of a topological space; an edge in the topology of manifolds, as in the case of a 'manifold with boundary'
- Boundary value problem, a differential equation together with a set of additional restraints called the boundary conditions
- Boundary (thermodynamic), the edge of a thermodynamic system across which heat, mass, or work can flow
in other fields
- Boundaries in landscape history, the divide between areas of differing land use
- Boundary (real estate), the legal boundary between units of real property
- Boundary (cricket), the edge of the playing field, or a scoring shot where the ball is hit to or beyond that point
- Boundaries (television), a 2008 television series
- Boundary critique, a concept about the meaning and validity of propositions
- Boundary Turbulence, a break in expectation of how private information is held within a group of knowledge owners
Place names
- Boundary, Derbyshire, a civil parish and hamlet in South Derbyshire, England
- Boundary, Leicestershire, a village in Leicestershire, England
- Boundary, Staffordshire, a village in Staffordshire, England
- Boundary Ranges, also known as the Boundary Range, a mountain range in British Columbia, Canada and Alaska, United States
- Boundary Country, a region of southern British Columbia, Canada
  - Kootenay Boundary Regional District, a regional district in British Columbia
  - West Kootenay-Boundary, a provincial electoral district in British Columbia
  - Okanagan-Boundary, a former provincial electoral district in British Columbia
  - Boundary-Similkameen, a former provincial electoral district in British Columbia
- Boundary Falls, British Columbia, also known as Boundary, a former railway town in the Boundary Country of British Columbia
- Stikine, British Columbia, called Boundary from 1930 to 1964, a former customs post on the Stikine River at the Alaska-British Columbia border

Ships

MV Boundary, a number of ships with this name

Boundary

See also