- boundaries of land rights
- boundaries of the active block
- boundary
- boundary adjustment
- boundary arc
- boundary behavior
- boundary cell
- boundary chain
- boundary circle
- boundary cluster set
- boundary collocation
- Boundary Commission of Liberia
- boundary complex
- boundary component
- boundary condition
- boundary condition of electromagnetic field
- boundary condition of electrostatic
- boundary condition of magnetostatic
- boundary condition of mixed type
- boundary conditions
- boundary conditions in solid mechanics
- boundary conditions of the governing equations of fluid dynamics
- boundary condition treatment
- boundary conformal field theory
- boundary-contraction method