simply-connected

[sim-plee-kuh-nek-tid]

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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019