(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.

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

(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.

(graph theory) Given a directed graph, a maximal strongly connected subgraph.

plural of strongly connected component

plural of connective tissue

plural of connecting tubule

plural of connecting rod