boundary /bownˈdə-ri or -dri/

1. A limit
2. A border
3. Termination, final limit
4. A line marking the limit of a cricket field
5. A hit to the limit of a cricket ground
6. A score for such a hit (four or six runs)

boundary condition noun (mathematics)

A condition that must be met for the solution of a set of differential equations

boundary layer noun

The very thin layer of air on the surface of an aircraft whose viscosity affects the aircraft's velocity, causing turbulence to build up and thereby increasing drag (boundary-layer control the removal of the boundary layer by a suction system or other means)

• ensures
• ensuring
• enswathe
• enswathed
• enswathement
• enswathements
• enswathes
• enswathing
• ensweep
• ensweeping
• ensweeps
• enswept
• ent-
• ent.
• ENT
• entablature
• entablatures
• entablement
• entablements
• entail
• entailed
• entailer
• entailers
• entailing
• entailment