simply-connected

[ sim-plee-kuh-nek-tid ]

adjectiveMathematics.

(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

These shells are simply connected by radial beams, and not, as in the Larnacida, by latticed wings (or half girdles).
Report on the Radiolaria Collected by H.M.S. Challenger During the Years 1873-1876, First Part: Porulosa (Spumellaria and Acantharia) | Ernst Haeckel
The African post, as we term it, is of course simply connected with the European settlements.
Foot-prints of a letter carrier | James Rees
Originally, a is directly and simply connected with b, while c is directly and simply connected with d.
The Data of Ethics | Herbert Spencer
Everybody knows that, and those Stevens students simply connected it up to run two lights with a cut-out at the back.
Cupid's Middleman | Edward B. Lent
Their appearances, however, cannot be simply connected with benefits.
A Book of the Play | Dutton Cook

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