e/Boundary-incompressible surface

Information
has gloss	eng: The surface S is said to be boundary-compressible if either S is a disk that cobounds a ball with a disk in \partial M or there exists a boundary-compresssing disk for S in M. Otherwise, S is boundary-incompressible.
lexicalization	eng: Boundary-incompressible surface
instance of	(noun) a set of points such as those of a closed surface or an analogue in three or more dimensions manifold