simply-connected

[ sim-plee-kuh-nek-tid ]
/ ˈsɪm pli kəˌnɛk tɪd /

adjective Mathematics.

(of a set or domain) having a connected complement.
(of a set or domain) having the property that every simple closed curve in the set can be shrunk to a point without intersecting the boundary of the set.

Origin of simply-connected

First recorded in 1930–35

Words nearby simply-connected