(topology, of a topological space) Having a singleton as its fundamental group.

Having close connections with people of wealth or social standing / Of an area, having good transport connections.

(anatomy) A tubule in the nephron in the kidney that goes to the pelvis. Its primary function is to bring urine to the pelvis of the kidney.

(electricity) A type of three-phase connection.

(mathematics) Any topological space which cannot be written as the disjoint union of two or more nonempty open spaces.

Any rod, in an engine, that transmits power or motion, especially one that connects a reciprocating shaft to a rotating wheel, in reciprocating engines connecting piston to crankshaft

plural of connected space

(graph theory) Of a directed graph, such that for every pair of vertices u and v there is a path from u to v and a path from v to u.

(topology and graph theory) A connected subset that is, moreover, maximal with respect to being connected.

plural of Galois connection